No problem, we've got 5378 and 1921 to multiply
5378 × 1921 = 1921 × (5378)
+ 1921 × 8 what gives us 15368
+ 1921 × 70 that is equal 134470
+ 1921 × 300 that is equal 576300
+ 1921 × 5000 that results in 9605000

= 10331138
