No problem, we've got 5578 and 8163 to multiply
5578 × 8163 = 8163 × (5578)
+ 8163 × 8 yielding 65304
+ 8163 × 70 that is equal 571410
+ 8163 × 500 which equals 4081500
+ 8163 × 5000 giving us 40815000

= 45533214
