No problem, we've got 5402 and 1420 to multiply
5402 × 1420 = 1420 × (5402)
+ 1420 × 2 yielding 2840
+ 1420 × 00 that equals 0
+ 1420 × 400 that results in 568000
+ 1420 × 5000 which equals 7100000

= 7670840
