Alright, let's work through 26678189 times 40688027 step by step
26678189 × 40688027 = 40688027 × (26678189)
+ 40688027 × 9 giving us 366192243
+ 40688027 × 80 yielding 3255042160
+ 40688027 × 100 giving us 4068802700
+ 40688027 × 8000 that equals 325504216000
+ 40688027 × 70000 that equals 2848161890000
+ 40688027 × 600000 giving us 24412816200000
+ 40688027 × 6000000 yielding 244128162000000
+ 40688027 × 20000000 yielding 813760540000000

= 1085482874343103
