I know from locally stored knowledge that:

39°48'02"N
is the latitude of
Claymont, Delaware
([fact: ["13090519@trueknowledge.com"]])

39°58'11"N
is the latitude of
Chester County, Pennsylvania
([fact: ["360053771@trueknowledge.com"]])

75°27'35"W
is the longitude of
Claymont, Delaware
([fact: ["13090520@trueknowledge.com"]])

75°45'00"W
is the longitude of
Chester County, Pennsylvania
([fact: ["360053795@trueknowledge.com"]])

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

31.0834380291 kilometers
is the distance between
Claymont, Delaware and Chester County, Pennsylvania

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

kilometer
is the second parameter of
31.0834380291 kilometers

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

The current time is April 17th 2014, 03:48:43

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

31.0834380291
is the first parameter of
31.0834380291 kilometers

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

19.3144009526265
is the product of
0.621372736649807 and 31.0834380291

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

length
is the class of the parametered object
31.0834380291 kilometers

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

19.3144009526265 miles
is the parametered object corresponding to
length and 19.3144009526265 and mile

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

Fact 1:
19.3144009526265 miles
is equivalent to
31.0834380291 kilometers

Fact 1
is true at
April 17th 2014, 03:48:43

Fact 1:
mile
is the unit used in
19.3144009526265 miles