No problem, we've got 9300 and 1821 to multiply
9300 × 1821 = 1821 × (9300)
+ 1821 × 0 that is equal 0
+ 1821 × 00 what gives us 0
+ 1821 × 300 that is equal 546300
+ 1821 × 9000 yielding 16389000

= 16935300
