No problem, we've got 2784 and 4134 to multiply
2784 × 4134 = 4134 × (2784)
+ 4134 × 4 what gives us 16536
+ 4134 × 80 resulting in 330720
+ 4134 × 700 what gives us 2893800
+ 4134 × 2000 resulting in 8268000

= 11509056
