Alright, let's work through 42109309 times 55632016 step by step
42109309 × 55632016 = 55632016 × (42109309)
+ 55632016 × 9 yielding 500688144
+ 55632016 × 00 that equals 0
+ 55632016 × 300 yielding 16689604800
+ 55632016 × 9000 resulting in 500688144000
+ 55632016 × 00000 which equals 0
+ 55632016 × 100000 that is equal 5563201600000
+ 55632016 × 2000000 which equals 111264032000000
+ 55632016 × 40000000 resulting in 2225280640000000

= 2342625752036944
