Alright, let's work through 75742907 times 20651806 step by step
75742907 × 20651806 = 20651806 × (75742907)
+ 20651806 × 7 that results in 144562642
+ 20651806 × 00 that results in 0
+ 20651806 × 900 that results in 18586625400
+ 20651806 × 2000 giving us 41303612000
+ 20651806 × 40000 that is equal 826072240000
+ 20651806 × 700000 which equals 14456264200000
+ 20651806 × 5000000 which equals 103259030000000
+ 20651806 × 70000000 that equals 1445626420000000

= 1564227821240042
