No problem, we've got 4999 and 2191 to multiply
4999 × 2191 = 2191 × (4999)
+ 2191 × 9 what gives us 19719
+ 2191 × 90 that is equal 197190
+ 2191 × 900 that equals 1971900
+ 2191 × 4000 which equals 8764000

= 10952809
