Alright, let's work through 61710998 times 72450870 step by step
61710998 × 72450870 = 72450870 × (61710998)
+ 72450870 × 8 yielding 579606960
+ 72450870 × 90 what gives us 6520578300
+ 72450870 × 900 that equals 65205783000
+ 72450870 × 0000 giving us 0
+ 72450870 × 10000 that equals 724508700000
+ 72450870 × 700000 which equals 50715609000000
+ 72450870 × 1000000 that equals 72450870000000
+ 72450870 × 60000000 that is equal 4347052200000000

= 4471015493668260
