16.1616
On a calculator enter the following keys in sequence:
"3, 2, *, 1, ., 9, 8" and then the "=" key.
Then look at the display.
Or, do your homework!
198
0.0909
21.3132
0.0455
0.0404
198
198
198, 396, 594, 792, 990 +198 . . .
198 divided by 2 equals 99. 99 times 2 equals 198.
198
5.0556
16.5