Alright, let's work through 42878202 times 23688438 step by step
42878202 × 23688438 = 23688438 × (42878202)
+ 23688438 × 2 yielding 47376876
+ 23688438 × 00 resulting in 0
+ 23688438 × 200 that equals 4737687600
+ 23688438 × 8000 what gives us 189507504000
+ 23688438 × 70000 that is equal 1658190660000
+ 23688438 × 800000 that equals 18950750400000
+ 23688438 × 2000000 which equals 47376876000000
+ 23688438 × 40000000 which equals 947537520000000

= 1015717629628476
