No problem, we've got 5782 and 2171 to multiply
5782 × 2171 = 2171 × (5782)
+ 2171 × 2 what gives us 4342
+ 2171 × 80 producing 173680
+ 2171 × 700 that results in 1519700
+ 2171 × 5000 which equals 10855000

= 12552722
