No problem, we've got 1781 and 1606 to multiply
1781 × 1606 = 1606 × (1781)
+ 1606 × 1 that equals 1606
+ 1606 × 80 giving us 128480
+ 1606 × 700 which equals 1124200
+ 1606 × 1000 that is equal 1606000

= 2860286
