Alright, let's work through 99397021 times 49740945 step by step
99397021 × 49740945 = 49740945 × (99397021)
+ 49740945 × 1 which equals 49740945
+ 49740945 × 20 producing 994818900
+ 49740945 × 000 which equals 0
+ 49740945 × 7000 resulting in 348186615000
+ 49740945 × 90000 that is equal 4476685050000
+ 49740945 × 300000 producing 14922283500000
+ 49740945 × 9000000 that results in 447668505000000
+ 49740945 × 90000000 that is equal 4476685050000000

= 4944101754724845
