No problem, we've got 1803 and 7303 to multiply
1803 × 7303 = 7303 × (1803)
+ 7303 × 3 what gives us 21909
+ 7303 × 00 resulting in 0
+ 7303 × 800 that results in 5842400
+ 7303 × 1000 producing 7303000

= 13167309
