No problem, we've got 49121948 and 80847032 to multiply
49121948 × 80847032 = 80847032 × (49121948)
+ 80847032 × 8 yielding 646776256
+ 80847032 × 40 that results in 3233881280
+ 80847032 × 900 which equals 72762328800
+ 80847032 × 1000 what gives us 80847032000
+ 80847032 × 20000 which equals 1616940640000
+ 80847032 × 100000 giving us 8084703200000
+ 80847032 × 9000000 producing 727623288000000
+ 80847032 × 40000000 yielding 3233881280000000

= 3971363701858336
