3*7 div 2 mod 7 = 3
int (35.7) = 35
frac (35.7) = 0.700000000000003
round (35.7) = 36
sqr(3)+round (6.8) = 16
3*7 div 2 mod 7 = 3
int (35.7) = 35
frac (35.7) = 0.700000000000003
round (35.7) = 36
sqr(3)+round (6.8) = 16