Alright, let's work through 70076570 times 21253986 step by step
70076570 × 21253986 = 21253986 × (70076570)
+ 21253986 × 0 which equals 0
+ 21253986 × 70 yielding 1487779020
+ 21253986 × 500 that results in 10626993000
+ 21253986 × 6000 yielding 127523916000
+ 21253986 × 70000 yielding 1487779020000
+ 21253986 × 000000 what gives us 0
+ 21253986 × 0000000 which equals 0
+ 21253986 × 70000000 that results in 1487779020000000

= 1489406437708020
