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In this example, we ask to compute where ,
and are integers. The numbers in the
question are displayed in words and the answer must also be given in words. For example, the question is: "What is two thirds of twenty-one?", not "What is ?",
and the answer must be given as "seven", not "".
The values ,
and are selected randomly in the following
The condition is also imposed.
The answer can be forced to be an integer by letting:
where is also an integer, with range varying from to according to the value of .