\set_margins 10
%f011
%uMultiplication%u%n%n

\set_margins 10
%f010
Multiplying by 3%n%n

\set_margins 20
%f014
Multiplying by 3 is the same as doubling the other number and
 then adding that much more.%n%n

%f015
%t050 3 x 5 = ?%n
%t050 2 x 5 and 5 more = 10 + 5 = 15%n%n

%t050 3 x 6 = ?%n
%t050 2 x 6 and 6 more = 12 + 6 = 18%n%n%n

%n%n