No problem, we've got 4251 and 1047 to multiply
4251 × 1047 = 1047 × (4251)
+ 1047 × 1 that is equal 1047
+ 1047 × 50 which equals 52350
+ 1047 × 200 that is equal 209400
+ 1047 × 4000 giving us 4188000

= 4450797
