No problem, we've got 1438 and 5578 to multiply
1438 × 5578 = 5578 × (1438)
+ 5578 × 8 that results in 44624
+ 5578 × 30 what gives us 167340
+ 5578 × 400 which equals 2231200
+ 5578 × 1000 that is equal 5578000

= 8021164
