No problem, we've got 1785 and 4709 to multiply
1785 × 4709 = 4709 × (1785)
+ 4709 × 5 that results in 23545
+ 4709 × 80 what gives us 376720
+ 4709 × 700 which equals 3296300
+ 4709 × 1000 which equals 4709000

= 8405565
