Alright, let's work through 46320515 times 81779489 step by step
46320515 × 81779489 = 81779489 × (46320515)
+ 81779489 × 5 which equals 408897445
+ 81779489 × 10 that results in 817794890
+ 81779489 × 500 what gives us 40889744500
+ 81779489 × 0000 that equals 0
+ 81779489 × 20000 yielding 1635589780000
+ 81779489 × 300000 resulting in 24533846700000
+ 81779489 × 6000000 yielding 490676934000000
+ 81779489 × 40000000 what gives us 3271179560000000

= 3788068046916835
