No problem, we've got 84522142 and 45419278 to multiply
84522142 × 45419278 = 45419278 × (84522142)
+ 45419278 × 2 yielding 90838556
+ 45419278 × 40 what gives us 1816771120
+ 45419278 × 100 giving us 4541927800
+ 45419278 × 2000 that equals 90838556000
+ 45419278 × 20000 giving us 908385560000
+ 45419278 × 500000 which equals 22709639000000
+ 45419278 × 4000000 that equals 181677112000000
+ 45419278 × 80000000 producing 3633542240000000

= 3838934664653476
