Alright, let's work through 72761748 times 58457844 step by step
72761748 × 58457844 = 58457844 × (72761748)
+ 58457844 × 8 producing 467662752
+ 58457844 × 40 yielding 2338313760
+ 58457844 × 700 producing 40920490800
+ 58457844 × 1000 which equals 58457844000
+ 58457844 × 60000 what gives us 3507470640000
+ 58457844 × 700000 what gives us 40920490800000
+ 58457844 × 2000000 that equals 116915688000000
+ 58457844 × 70000000 that equals 4092049080000000

= 4253494913751312
