if you can help me understand the steps that would be lovely

The daily milk production of a herd of cows is assumed to be Normally distributed with a mean of 36 liters, and standard deviation of 6.3 liters. A) On what proportion of days is daily production less than 36.7 liters? Answer= (Round your answer to 3 decimal places.) B) On what proportion of days is production more than 24.7 liters? Answer= (Round your answer to 3 decimal places.)