The result of the operation is : 34905.3973
From the question :
divide by 7.896;
1.6071428571 / 7.896 = 0.2035388
Now , we times 32 ;
0.2035388 × 32 = 6.51324359
Now Add 1157;
6.51324359 + 1157 = 1163.51324359
Now Times (60 / 2)
1163.51324359 × (60/2) = 34905.3973
Hence, The result of the operation is : 34905.3973