No problem, we've got 1831 and 3926 to multiply
1831 × 3926 = 3926 × (1831)
+ 3926 × 1 giving us 3926
+ 3926 × 30 yielding 117780
+ 3926 × 800 resulting in 3140800
+ 3926 × 1000 that equals 3926000

= 7188506
