No problem, we've got 2445 and 6900 to multiply
2445 × 6900 = 6900 × (2445)
+ 6900 × 5 what gives us 34500
+ 6900 × 40 that equals 276000
+ 6900 × 400 resulting in 2760000
+ 6900 × 2000 that equals 13800000

= 16870500
