Alright, let's work through 70836488 times 18458728 step by step
70836488 × 18458728 = 18458728 × (70836488)
+ 18458728 × 8 what gives us 147669824
+ 18458728 × 80 giving us 1476698240
+ 18458728 × 400 giving us 7383491200
+ 18458728 × 6000 that results in 110752368000
+ 18458728 × 30000 resulting in 553761840000
+ 18458728 × 800000 that equals 14766982400000
+ 18458728 × 0000000 that results in 0
+ 18458728 × 70000000 resulting in 1292110960000000

= 1307551464467264
