No problem, we've got 81304203 and 60973076 to multiply
81304203 × 60973076 = 60973076 × (81304203)
+ 60973076 × 3 that results in 182919228
+ 60973076 × 00 that results in 0
+ 60973076 × 200 resulting in 12194615200
+ 60973076 × 4000 that equals 243892304000
+ 60973076 × 00000 what gives us 0
+ 60973076 × 300000 yielding 18291922800000
+ 60973076 × 1000000 what gives us 60973076000000
+ 60973076 × 80000000 that equals 4877846080000000

= 4957367348638428
