Alright, let's work through 81065732 times 27207717 step by step
81065732 × 27207717 = 27207717 × (81065732)
+ 27207717 × 2 that equals 54415434
+ 27207717 × 30 what gives us 816231510
+ 27207717 × 700 that is equal 19045401900
+ 27207717 × 5000 giving us 136038585000
+ 27207717 × 60000 that is equal 1632463020000
+ 27207717 × 000000 which equals 0
+ 27207717 × 1000000 that results in 27207717000000
+ 27207717 × 80000000 yielding 2176617360000000

= 2205613494653844
