Alright, let's work through 42866045 times 82706457 step by step
42866045 × 82706457 = 82706457 × (42866045)
+ 82706457 × 5 which equals 413532285
+ 82706457 × 40 what gives us 3308258280
+ 82706457 × 000 that equals 0
+ 82706457 × 6000 that results in 496238742000
+ 82706457 × 60000 which equals 4962387420000
+ 82706457 × 800000 resulting in 66165165600000
+ 82706457 × 2000000 what gives us 165412914000000
+ 82706457 × 40000000 giving us 3308258280000000

= 3545298707552565
