No problem, we've got 84208435 and 42968324 to multiply
84208435 × 42968324 = 42968324 × (84208435)
+ 42968324 × 5 what gives us 214841620
+ 42968324 × 30 producing 1289049720
+ 42968324 × 400 that is equal 17187329600
+ 42968324 × 8000 which equals 343746592000
+ 42968324 × 00000 resulting in 0
+ 42968324 × 200000 that is equal 8593664800000
+ 42968324 × 4000000 yielding 171873296000000
+ 42968324 × 80000000 resulting in 3437465920000000

= 3618295318612940
