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

The current time is April 18th 2014, 11:07:03

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

square mile
is the second parameter of
0.17 square miles

I know from locally stored knowledge that:

Fact 1:
640
is the multiplier that converts
square mile and acre
([fact: ["127571748@trueknowledge.com"]])

Fact 1
is true for
all time
([fact: ["1050410826@trueknowledge.com"]])

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

Fact 1
is true at
April 18th 2014, 11:07:03

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

0.17
is the first parameter of
0.17 square miles

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

108.8
is the product of
640 and 0.17

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

area
is the class of the parametered object
0.17 square miles

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

108.8 acres
is the parametered object corresponding to
area and 108.8 and acre

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

Fact 2:
108.8 acres
is equivalent to
0.17 square miles

Fact 2
is true at
April 18th 2014, 11:07:03

Fact 2:
acre
is the unit used in
108.8 acres