No problem, we've got 1353 and 1420 to multiply
1353 × 1420 = 1420 × (1353)
+ 1420 × 3 that equals 4260
+ 1420 × 50 what gives us 71000
+ 1420 × 300 producing 426000
+ 1420 × 1000 that equals 1420000

= 1921260
