No problem, we've got 3100 and 6259 to multiply
3100 × 6259 = 6259 × (3100)
+ 6259 × 0 that equals 0
+ 6259 × 00 that equals 0
+ 6259 × 100 that equals 625900
+ 6259 × 3000 giving us 18777000

= 19402900
