No problem, we've got 56323479 and 81745048 to multiply
56323479 × 81745048 = 81745048 × (56323479)
+ 81745048 × 9 yielding 735705432
+ 81745048 × 70 resulting in 5722153360
+ 81745048 × 400 that equals 32698019200
+ 81745048 × 3000 what gives us 245235144000
+ 81745048 × 20000 which equals 1634900960000
+ 81745048 × 300000 that results in 24523514400000
+ 81745048 × 6000000 which equals 490470288000000
+ 81745048 × 50000000 which equals 4087252400000000

= 4604165494381992
