We're going to solve 1671 multiplied by 3495
1671 × 3495 = 3495 × (1671)
+ 3495 × 1 that is equal 3495
+ 3495 × 70 that is equal 244650
+ 3495 × 600 giving us 2097000
+ 3495 × 1000 that equals 3495000

= 5840145
