Problem 58653. Alternate Arrangement

Shouldn't your test result be 18?
3*2*2 + 2*3*1 = 12 + 6 = 18

I think it depends on how you interpret this problem. For example, notice that the problem states that it is assumed that s < m and s < w, but neither of these is true for the test problem. Should they be m < s and w < s? Also, the test has a variable x = 1 which is not defined and is not passed as an argument. I suspect it may be the number of empty seats, but who really knows. Perhaps there is some combination of assumptions for which the right answer is 9. :-)

Are we treating the men and women as identical in their respective sets?