No problem, we've got 5429 and 7420 to multiply
5429 × 7420 = 7420 × (5429)
+ 7420 × 9 resulting in 66780
+ 7420 × 20 yielding 148400
+ 7420 × 400 yielding 2968000
+ 7420 × 5000 giving us 37100000

= 40283180
