Alright, let's work through 71128942 times 81027577 step by step
71128942 × 81027577 = 81027577 × (71128942)
+ 81027577 × 2 that is equal 162055154
+ 81027577 × 40 that is equal 3241103080
+ 81027577 × 900 what gives us 72924819300
+ 81027577 × 8000 that results in 648220616000
+ 81027577 × 20000 which equals 1620551540000
+ 81027577 × 100000 giving us 8102757700000
+ 81027577 × 1000000 that is equal 81027577000000
+ 81027577 × 70000000 that equals 5671930390000000

= 5763405824833534
