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

The current time is September 1st 2014, 23:43:26

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

stone
is the second parameter of
19.62 stone

I know from locally stored knowledge that:

Fact 1:
6.35029318
is the multiplier that converts
stone and kilogram
([fact: ["127631254@trueknowledge.com"]])

Fact 1
is true for
all time
([fact: ["1050411142@trueknowledge.com"]])

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

Fact 1
is true at
September 1st 2014, 23:43:26

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

19.62
is the first parameter of
19.62 stone

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

124.5927521916
is the product of
6.35029318 and 19.62

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

mass
is the class of the parametered object
19.62 stone

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

124.5927521916 kilograms
is the parametered object corresponding to
mass and 124.5927521916 and kilogram

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

Fact 2:
124.5927521916 kilograms
is equivalent to
19.62 stone

Fact 2
is true at
September 1st 2014, 23:43:26

Fact 2:
kilogram
is the unit used in
124.5927521916 kilograms