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

The current time is August 20th 2014, 16:35:24

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

square foot
is the second parameter of
13,000,000 square feet

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

13,000,000
is the first parameter of
13,000,000 square feet

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

298 478/1089
is the product of
1/43560 and 13,000,000

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

area
is the class of the parametered object
13,000,000 square feet

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

298 478/1089 acres
is the parametered object corresponding to
area and 298 478/1089 and acre

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

Fact 1:
298 478/1089 acres
is equivalent to
13,000,000 square feet

Fact 1
is true at
August 20th 2014, 16:35:24

Fact 1:
acre
is the unit used in
298 478/1089 acres