No problem, we've got 1842 and 4290 to multiply
1842 × 4290 = 4290 × (1842)
+ 4290 × 2 that results in 8580
+ 4290 × 40 giving us 171600
+ 4290 × 800 resulting in 3432000
+ 4290 × 1000 yielding 4290000

= 7902180
