Alright, let's work through 72134249 times 51960178 step by step
72134249 × 51960178 = 51960178 × (72134249)
+ 51960178 × 9 that equals 467641602
+ 51960178 × 40 that equals 2078407120
+ 51960178 × 200 that is equal 10392035600
+ 51960178 × 4000 yielding 207840712000
+ 51960178 × 30000 yielding 1558805340000
+ 51960178 × 100000 that is equal 5196017800000
+ 51960178 × 2000000 resulting in 103920356000000
+ 51960178 × 70000000 giving us 3637212460000000

= 3748108417936322
