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

The current time is April 18th 2014, 11:25:28

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

kilometres per hour
is the second parameter of
20.000 kilometres per hour

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

20.000
is the first parameter of
20.000 kilometres per hour

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

12.4274238447467
is the product of
0.621371192237334 and 20.000

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

speed
is the class of the parametered object
20.000 kilometres per hour

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

12.4274238447467 miles per hour
is the parametered object corresponding to
speed and 12.4274238447467 and miles per hour

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

Fact 1:
12.4274238447467 miles per hour
is equivalent to
20.000 kilometres per hour

Fact 1
is true at
April 18th 2014, 11:25:28

Fact 1:
miles per hour
is the unit used in
12.4274238447467 miles per hour