I know from locally stored knowledge that:

37°46'45.48"N
is the latitude of
San Francisco, California
([fact: ["648330048@trueknowledge.com"]])

46°40'51"N
is the latitude of
Presque Isle, Maine
([fact: ["159766045@trueknowledge.com"]])

122°25'05"W
is the longitude of
San Francisco, California
([fact: ["160835617@trueknowledge.com"]])

68°00'59"W
is the longitude of
Presque Isle, Maine
([fact: ["159766053@trueknowledge.com"]])

By calculation (generator: ["distance_between3@trueknowledge.com"]) I know that:

4,491.6131405 kilometers
is the distance between
San Francisco, California and Presque Isle, Maine

By calculation (generator: ["second_parameter@trueknowledge.com"]) I know that:

kilometer
is the second parameter of
4,491.6131405 kilometers

By calculation (generator: ["now@trueknowledge.com"]) I know that:

The current time is April 25th 2014, 07:54:54

By calculation (generator: ["first_parameter@trueknowledge.com"]) I know that:

4,491.6131405
is the first parameter of
4,491.6131405 kilometers

By calculation (generator: ["product@trueknowledge.com"]) I know that:

2,790.96594908472
is the product of
0.621372736649807 and 4,491.6131405

By calculation (generator: ["class_parametered_object@trueknowledge.com"]) I know that:

length
is the class of the parametered object
4,491.6131405 kilometers

By calculation (generator: ["parametered_object_corresponding_to@trueknowledge.com"]) I know that:

2,790.96594908472 miles
is the parametered object corresponding to
length and 2,790.96594908472 and mile

By calculation (generator: ["equivalent_to6@trueknowledge.com"]) I know that:

Fact 1:
2,790.96594908472 miles
is equivalent to
4,491.6131405 kilometers

Fact 1
is true at
April 25th 2014, 07:54:54

Fact 1:
mile
is the unit used in
2,790.96594908472 miles