The sum of 99 and 64 is 163.
The sum of 99 and 58,764,964,568 is 58,764,964,667.
303
12.99 + 99 + 99 + 99 = 309.99
199 + 199 + 199 + 199 + 99 + 99 + 99 = 1192
307
99 + 99 + 88 + 88 + 72 + 72 = 518
Exactly 99. Strange, isn't it?
The sum of all the integers between 1 and 99 inclusive is 4950.
The sum of 88 and 11 is 99.
The sum of the factors is 156.
99 + 99 = 198