>>213494380
i’ll bite
>7 men have 7 wives
1. they correspond to each other, so there’s 7 men and 7 wives
2. every man has 7 wives, so there’s 7 men and 49 wives
>each man and each wife have 7 children
a. every person has 7 children, so there’s 7×(men+wives) children
b. every man has 7 children in his family, so there’s 7×men children
c. every man has 7 children with each of his wives, so there’s 7×(wife/man)×man, or 7×wife children
d. every man has 7 children with every wife (the orgy setting), so there’s 7×(men×wives) children

then the answers are:
1a. 112
1b. 63
1c. 63
1d. 357
2a. 448
2b. 105
2c. 399
2d. 2457