Alright, let's work through 80627741 times 73351225 step by step
80627741 × 73351225 = 73351225 × (80627741)
+ 73351225 × 1 that results in 73351225
+ 73351225 × 40 that equals 2934049000
+ 73351225 × 700 that results in 51345857500
+ 73351225 × 7000 which equals 513458575000
+ 73351225 × 20000 that results in 1467024500000
+ 73351225 × 600000 giving us 44010735000000
+ 73351225 × 0000000 which equals 0
+ 73351225 × 80000000 what gives us 5868098000000000

= 5914143571332725
