No problem, we've got 6540 and 2602 to multiply
6540 × 2602 = 2602 × (6540)
+ 2602 × 0 that is equal 0
+ 2602 × 40 what gives us 104080
+ 2602 × 500 resulting in 1301000
+ 2602 × 6000 that is equal 15612000

= 17017080
