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

Problem: 475.124 x 15.98 ÷ 8.001 + 33.33 = ?
983.578

Problem: of the seven - digit positive integers that have no digits equal to zero , how many have two digits that are equal to each other and the remaining digit different from the other two ?
152409600

Problem: tough and tricky questions : word problems . micheal , saren and donald decided to club together to buy a present . each of them gave equal amount of money . luckily saren negotiated a 20 % discount for the present so that each of them paid 4 dollars less . how much did they pay for a present ?

48