Alright, let's work through 39402740 times 79238298 step by step
39402740 × 79238298 = 79238298 × (39402740)
+ 79238298 × 0 giving us 0
+ 79238298 × 40 yielding 3169531920
+ 79238298 × 700 that is equal 55466808600
+ 79238298 × 2000 producing 158476596000
+ 79238298 × 00000 giving us 0
+ 79238298 × 400000 that equals 31695319200000
+ 79238298 × 9000000 resulting in 713144682000000
+ 79238298 × 30000000 yielding 2377148940000000

= 3122206054136520
