No problem, we've got 2671 and 6900 to multiply
2671 × 6900 = 6900 × (2671)
+ 6900 × 1 that equals 6900
+ 6900 × 70 that results in 483000
+ 6900 × 600 that results in 4140000
+ 6900 × 2000 yielding 13800000

= 18429900
