instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: a cistern 12 m long and 14 m wide contains water up to a depth of 1 m 25 cm . the total area of the wet surface is :
answer:
233 m

question:
Problem: jack and jill are marathon runners . jack can finish a marathon ( 42 km ) in 7 hours and jill can run a marathon in 4.2 hours . what is the ratio of their average running speed ? ( jack : jill )
answer:
5 / 5

question:
Problem: evaluate 28 % of 450 + 45 % of 260
answer:
243