(26+4)3 = 303 = 90
1531+8531 = 465 + 2635 = 3100
(12+8)5 = 205 = 100
(10+6)4 = 164 = 64
205+65 = 100 + 30 = 130
6798+3398 = 6576 + 3234 = 9810
(26+4)3 = 303 = 90
1531+8531 = 465 + 2635 = 3100
(12+8)5 = 205 = 100
(10+6)4 = 164 = 64
205+65 = 100 + 30 = 130
6798+3398 = 6576 + 3234 = 9810