No problem, we've got 6478 and 6558 to multiply
6478 × 6558 = 6558 × (6478)
+ 6558 × 8 resulting in 52464
+ 6558 × 70 which equals 459060
+ 6558 × 400 giving us 2623200
+ 6558 × 6000 giving us 39348000

= 42482724
