Alright, let's work through 42307451 times 60502831 step by step
42307451 × 60502831 = 60502831 × (42307451)
+ 60502831 × 1 which equals 60502831
+ 60502831 × 50 yielding 3025141550
+ 60502831 × 400 which equals 24201132400
+ 60502831 × 7000 giving us 423519817000
+ 60502831 × 00000 what gives us 0
+ 60502831 × 300000 that is equal 18150849300000
+ 60502831 × 2000000 which equals 121005662000000
+ 60502831 × 40000000 that equals 2420113240000000

= 2559720557893781
