Alright, let's work through 49173488 times 64475203 step by step
49173488 × 64475203 = 64475203 × (49173488)
+ 64475203 × 8 what gives us 515801624
+ 64475203 × 80 giving us 5158016240
+ 64475203 × 400 giving us 25790081200
+ 64475203 × 3000 which equals 193425609000
+ 64475203 × 70000 yielding 4513264210000
+ 64475203 × 100000 yielding 6447520300000
+ 64475203 × 9000000 yielding 580276827000000
+ 64475203 × 40000000 what gives us 2579008120000000

= 3170470621018064
