Alright, let's work through 72249897 times 48292023 step by step
72249897 × 48292023 = 48292023 × (72249897)
+ 48292023 × 7 resulting in 338044161
+ 48292023 × 90 resulting in 4346282070
+ 48292023 × 800 resulting in 38633618400
+ 48292023 × 9000 giving us 434628207000
+ 48292023 × 40000 resulting in 1931680920000
+ 48292023 × 200000 that results in 9658404600000
+ 48292023 × 2000000 producing 96584046000000
+ 48292023 × 70000000 that equals 3380441610000000

= 3489093687671631
