No problem, we've got 4578 and 1648 to multiply
4578 × 1648 = 1648 × (4578)
+ 1648 × 8 resulting in 13184
+ 1648 × 70 that is equal 115360
+ 1648 × 500 giving us 824000
+ 1648 × 4000 that equals 6592000

= 7544544
