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

The current time is April 18th 2014, 21:49:57

I know from locally stored knowledge that:

Fact 1:
100
is the multiplier that converts
UK £ and penny
([fact: ["643572868@trueknowledge.com"]])

Fact 1
is true for
all time
([fact: ["1050413322@trueknowledge.com"]])

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

1/100
is the quotient of
1 and 100

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

1/100
is the multiplier that converts
penny and UK £

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

21/50
is the product of
1/100 and 42

By calculation (generator: ["strictequal1@trueknowledge.com"]) I know that:

£21/50
is strictly equal to
£21/50

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

Fact 2:
£21/50
is equivalent to
42 pence

Fact 2
is true at
April 18th 2014, 21:49:57

Fact 2:
UK £
is the unit used in
£21/50