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

The current time is April 24th 2014, 13:48:13

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

gram
is the second parameter of
0.30 grams

I know from locally stored knowledge that:

Fact 1:
0.001
is the multiplier that converts
gram and kilogram
([fact: ["134511027@trueknowledge.com"]])

Fact 1
is true for
December 6th 2010, 14:22:02 onwards
([fact: ["1050381950@trueknowledge.com"]])

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

Fact 1
is true at
April 24th 2014, 13:48:13

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

0.30
is the first parameter of
0.30 grams

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

0.0003
is the product of
0.001 and 0.30

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

mass
is the class of the parametered object
0.30 grams

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

0.0003 kilograms
is the parametered object corresponding to
mass and 0.0003 and kilogram

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

Fact 2:
0.0003 kilograms
is equivalent to
0.30 grams

Fact 2
is true at
April 24th 2014, 13:48:13

Fact 2:
kilogram
is the unit used in
0.0003 kilograms