I know from locally stored knowledge that:

25°00'00"N
is the latitude of
Dubai
([fact: ["89674568@trueknowledge.com"]])

51°30'26"N
is the latitude of
London
([fact: ["1007994410@trueknowledge.com"]])

55°20'00"E
is the longitude of
Dubai
([fact: ["89674794@trueknowledge.com"]])

0°06'22.31"W
is the longitude of
London
([fact: ["689142912@trueknowledge.com"]])

By calculation (generator: ["distance_between3@trueknowledge.com"]) I know that:

5,489.92926682 kilometers
is the distance between
Dubai and London

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

kilometer
is the second parameter of
5,489.92926682 kilometers

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

The current time is April 21st 2014, 10:23:31

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

5,489.92926682
is the first parameter of
5,489.92926682 kilometers

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

3,411.29237253781
is the product of
0.621372736649807 and 5,489.92926682

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

length
is the class of the parametered object
5,489.92926682 kilometers

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

3,411.29237253781 miles
is the parametered object corresponding to
length and 3,411.29237253781 and mile

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

Fact 1:
3,411.29237253781 miles
is equivalent to
5,489.92926682 kilometers

Fact 1
is true at
April 21st 2014, 10:23:31

Fact 1:
mile
is the unit used in
3,411.29237253781 miles