Let's calculate 1729 x 7665
1729 × 7665 = 7665 × (1729)
+ 7665 × 9 that equals 68985
+ 7665 × 20 resulting in 153300
+ 7665 × 700 that is equal 5365500
+ 7665 × 1000 what gives us 7665000

= 13252785
