No problem, we've got 7321 and 1820 to multiply
7321 × 1820 = 1820 × (7321)
+ 1820 × 1 yielding 1820
+ 1820 × 20 yielding 36400
+ 1820 × 300 resulting in 546000
+ 1820 × 7000 what gives us 12740000

= 13324220
