Alright, let's work through 99046315 times 48557321 step by step
99046315 × 48557321 = 48557321 × (99046315)
+ 48557321 × 5 what gives us 242786605
+ 48557321 × 10 that equals 485573210
+ 48557321 × 300 that equals 14567196300
+ 48557321 × 6000 giving us 291343926000
+ 48557321 × 40000 yielding 1942292840000
+ 48557321 × 000000 producing 0
+ 48557321 × 9000000 which equals 437015889000000
+ 48557321 × 90000000 what gives us 4370158890000000

= 4809423711322115
