No problem, we've got 9890 and 4871 to multiply
9890 × 4871 = 4871 × (9890)
+ 4871 × 0 giving us 0
+ 4871 × 90 giving us 438390
+ 4871 × 800 what gives us 3896800
+ 4871 × 9000 that is equal 43839000

= 48174190
