No problem, we've got 48364877 and 81594080 to multiply
48364877 × 81594080 = 81594080 × (48364877)
+ 81594080 × 7 yielding 571158560
+ 81594080 × 70 what gives us 5711585600
+ 81594080 × 800 that results in 65275264000
+ 81594080 × 4000 that is equal 326376320000
+ 81594080 × 60000 that equals 4895644800000
+ 81594080 × 300000 giving us 24478224000000
+ 81594080 × 8000000 resulting in 652752640000000
+ 81594080 × 40000000 that equals 3263763200000000

= 3946287643128160
