9107
25+59+100+200+8173+1100:2=
1) 1100 : 2 =550
2) 25 + 59 = 84
3) 84 + 100 = 184
4) 184 + 200 = 384
5) 384 + 8173 = 8557
6) 8557 + 550 = 9107
9107
25+59+100+200+8173+1100:2=
1) 1100 : 2 =550
2) 25 + 59 = 84
3) 84 + 100 = 184
4) 184 + 200 = 384
5) 384 + 8173 = 8557
6) 8557 + 550 = 9107