No problem, we've got 72378167 and 66990033 to multiply
72378167 × 66990033 = 66990033 × (72378167)
+ 66990033 × 7 which equals 468930231
+ 66990033 × 60 that is equal 4019401980
+ 66990033 × 100 that is equal 6699003300
+ 66990033 × 8000 that is equal 535920264000
+ 66990033 × 70000 that is equal 4689302310000
+ 66990033 × 300000 which equals 20097009900000
+ 66990033 × 2000000 that results in 133980066000000
+ 66990033 × 70000000 what gives us 4689302310000000

= 4848615795809511
