No problem, we've got 3671 and 7880 to multiply
3671 × 7880 = 7880 × (3671)
+ 7880 × 1 yielding 7880
+ 7880 × 70 that is equal 551600
+ 7880 × 600 yielding 4728000
+ 7880 × 3000 that equals 23640000

= 28927480
