124 + 157 + 214 = 495
It is 148, which is halfway between the two middle numbers.
214
157
180 plus 124 = 304
898 + 214 = 1,112
123 124 + 125 ------ 372
2 + 2 + 124 = 128
987 + 157 is 1144.
The sum of 214 and 475.2 is 689.2
144 + 134 + 124 + 114 = 516
214 + 182 = 396
214+475.2