Alright, let's work through 61208174 times 31312745 step by step
61208174 × 31312745 = 31312745 × (61208174)
+ 31312745 × 4 what gives us 125250980
+ 31312745 × 70 what gives us 2191892150
+ 31312745 × 100 what gives us 3131274500
+ 31312745 × 8000 that results in 250501960000
+ 31312745 × 00000 resulting in 0
+ 31312745 × 200000 what gives us 6262549000000
+ 31312745 × 1000000 yielding 31312745000000
+ 31312745 × 60000000 what gives us 1878764700000000

= 1916595944377630
