No problem, we've got 6520 and 4207 to multiply
6520 × 4207 = 4207 × (6520)
+ 4207 × 0 giving us 0
+ 4207 × 20 resulting in 84140
+ 4207 × 500 that equals 2103500
+ 4207 × 6000 that equals 25242000

= 27429640
