No problem, we've got 2605 and 7846 to multiply
2605 × 7846 = 7846 × (2605)
+ 7846 × 5 what gives us 39230
+ 7846 × 00 what gives us 0
+ 7846 × 600 that results in 4707600
+ 7846 × 2000 that results in 15692000

= 20438830
