No problem, we've got 1331 and 9933 to multiply
1331 × 9933 = 9933 × (1331)
+ 9933 × 1 what gives us 9933
+ 9933 × 30 that results in 297990
+ 9933 × 300 that is equal 2979900
+ 9933 × 1000 which equals 9933000

= 13220823
