Alright, let's work through 58724374 times 97870062 step by step
58724374 × 97870062 = 97870062 × (58724374)
+ 97870062 × 4 which equals 391480248
+ 97870062 × 70 yielding 6850904340
+ 97870062 × 300 that results in 29361018600
+ 97870062 × 4000 that equals 391480248000
+ 97870062 × 20000 what gives us 1957401240000
+ 97870062 × 700000 that equals 68509043400000
+ 97870062 × 8000000 producing 782960496000000
+ 97870062 × 50000000 yielding 4893503100000000

= 5747358124291188
