Alright, let's work through 72755346 times 65042189 step by step
72755346 × 65042189 = 65042189 × (72755346)
+ 65042189 × 6 what gives us 390253134
+ 65042189 × 40 resulting in 2601687560
+ 65042189 × 300 that is equal 19512656700
+ 65042189 × 5000 resulting in 325210945000
+ 65042189 × 50000 giving us 3252109450000
+ 65042189 × 700000 resulting in 45529532300000
+ 65042189 × 2000000 what gives us 130084378000000
+ 65042189 × 70000000 yielding 4552953230000000

= 4732166965292394
