No problem, we've got 2140 and 3803 to multiply
2140 × 3803 = 3803 × (2140)
+ 3803 × 0 giving us 0
+ 3803 × 40 that equals 152120
+ 3803 × 100 which equals 380300
+ 3803 × 2000 that results in 7606000

= 8138420
