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

The current time is July 31st 2014, 09:47:29

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

imperial gallon
is the second parameter of
31 imperial gallons

I know from locally stored knowledge that:

Fact 1:
4.54609
is the multiplier that converts
imperial gallon and litre
([fact: ["2485723434@trueknowledge.com"]])

Fact 1
is true at
July 31st 2014, 09:47:29
([unknown object])

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

31
is the first parameter of
31 imperial gallons

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

140.92879
is the product of
4.54609 and 31

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

volume
is the class of the parametered object
31 imperial gallons

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

140.92879 litres
is the parametered object corresponding to
volume and 140.92879 and litre

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

Fact 2:
140.92879 litres
is equivalent to
31 imperial gallons

Fact 2
is true at
July 31st 2014, 09:47:29

Fact 2:
litre
is the unit used in
140.92879 litres