No problem, we've got 5578 and 709 to multiply
5578 × 709 = 709 × (5578)
+ 709 × 8 giving us 5672
+ 709 × 70 yielding 49630
+ 709 × 500 that is equal 354500
+ 709 × 5000 that equals 3545000

= 3954802
