Alright, let's work through 42700083 times 54398270 step by step
42700083 × 54398270 = 54398270 × (42700083)
+ 54398270 × 3 what gives us 163194810
+ 54398270 × 80 what gives us 4351861600
+ 54398270 × 000 resulting in 0
+ 54398270 × 0000 that results in 0
+ 54398270 × 00000 resulting in 0
+ 54398270 × 700000 giving us 38078789000000
+ 54398270 × 2000000 that results in 108796540000000
+ 54398270 × 40000000 what gives us 2175930800000000

= 2322810644056410
