72. 18*4=72
18+18+18+19+23+23+24+24=167
72 but there is such a thing as a CALCULATOR
16 + 16 + 16 + 17 + 18 + 18 + 18 + 19 + 19 + 20 + 20 + 20 + 21 = 238
16 + 16 + 18 + 18 = 68
18 plus 18 plus 18 equals 54. This can be calculated by adding the first two 18s together to get 36, and then adding the third 18 to get the final sum of 54. This is a basic arithmetic operation involving addition of three numbers.
U = 4 x 18 U = 72
It is: 5+13+18 = 36
(13+5)18=13+(5+18)
3818 + 18 = 3836
160
3.33.3