The task is to generate the correct answer for a given math problem.

Problem: a , b and c , each working alone can complete a job in 6 , 8 and 12 days respectively . if all three of them work together to complete a job and earn $ 1170 , what will be b ' s share of the earnings ?
$ 390

Problem: students at a school were on average 180 cm tall . the average female height was 170 cm , and the average male height was 182 cms . what was the ratio of men to women ?
5 : 1

Problem: 18.05 ã — 0.001 = ?

0.01805