No problem, we've got 4903 and 2123 to multiply
4903 × 2123 = 2123 × (4903)
+ 2123 × 3 that is equal 6369
+ 2123 × 00 yielding 0
+ 2123 × 900 giving us 1910700
+ 2123 × 4000 that equals 8492000

= 10409069
