No problem, we've got 1820 and 8109 to multiply
1820 × 8109 = 8109 × (1820)
+ 8109 × 0 which equals 0
+ 8109 × 20 yielding 162180
+ 8109 × 800 producing 6487200
+ 8109 × 1000 that is equal 8109000

= 14758380
