No problem, we've got 1020 and 2342 to multiply
1020 × 2342 = 2342 × (1020)
+ 2342 × 0 what gives us 0
+ 2342 × 20 that equals 46840
+ 2342 × 000 yielding 0
+ 2342 × 1000 giving us 2342000

= 2388840
