Alright, let's work through 42484753 times 72420748 step by step
42484753 × 72420748 = 72420748 × (42484753)
+ 72420748 × 3 yielding 217262244
+ 72420748 × 50 that equals 3621037400
+ 72420748 × 700 what gives us 50694523600
+ 72420748 × 4000 yielding 289682992000
+ 72420748 × 80000 which equals 5793659840000
+ 72420748 × 400000 that results in 28968299200000
+ 72420748 × 2000000 that equals 144841496000000
+ 72420748 × 40000000 that is equal 2896829920000000

= 3076777590855244
