Alright, let's work through 67413228 times 67605152 step by step
67413228 × 67605152 = 67605152 × (67413228)
+ 67605152 × 8 what gives us 540841216
+ 67605152 × 20 resulting in 1352103040
+ 67605152 × 200 what gives us 13521030400
+ 67605152 × 3000 which equals 202815456000
+ 67605152 × 10000 producing 676051520000
+ 67605152 × 400000 what gives us 27042060800000
+ 67605152 × 7000000 yielding 473236064000000
+ 67605152 × 60000000 that is equal 4056309120000000

= 4557481525750656
