The task is to generate the correct answer for a given math problem.
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Question: Problem: what decimal fraction is 90 ml of a litre ?

Answer: . 09


Question: Problem: 10 ^ ( 600 ) ã · 10 ^ ( 580 ) = ?

Answer: 10 ^ 20


Question: Problem: find the perimeter and area of the rectangle of length 19 cm and breadth 13 cm .

Answer:
247 cm