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

The current time is April 19th 2014, 22:39:01

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

acre
is the second parameter of
320 acres

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

320
is the first parameter of
320 acres

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

1/2
is the product of
1/640 and 320

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

area
is the class of the parametered object
320 acres

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

1/2 square miles
is the parametered object corresponding to
area and 1/2 and square mile

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

Fact 1:
1/2 square miles
is equivalent to
320 acres

Fact 1
is true at
April 19th 2014, 22:39:01

Fact 1:
square mile
is the unit used in
1/2 square miles