No problem, we've got 6691 and 5515 to multiply
6691 × 5515 = 5515 × (6691)
+ 5515 × 1 that equals 5515
+ 5515 × 90 giving us 496350
+ 5515 × 600 yielding 3309000
+ 5515 × 6000 that is equal 33090000

= 36900865
