Alright, let's work through 72340330 times 20190989 step by step
72340330 × 20190989 = 20190989 × (72340330)
+ 20190989 × 0 yielding 0
+ 20190989 × 30 what gives us 605729670
+ 20190989 × 300 what gives us 6057296700
+ 20190989 × 0000 that results in 0
+ 20190989 × 40000 yielding 807639560000
+ 20190989 × 300000 yielding 6057296700000
+ 20190989 × 2000000 that results in 40381978000000
+ 20190989 × 70000000 yielding 1413369230000000

= 1460622807286370
