No problem, we've got 1884 and 7191 to multiply
1884 × 7191 = 7191 × (1884)
+ 7191 × 4 what gives us 28764
+ 7191 × 80 resulting in 575280
+ 7191 × 800 what gives us 5752800
+ 7191 × 1000 which equals 7191000

= 13547844
