No problem, we've got 1230 and 2307 to multiply
1230 × 2307 = 2307 × (1230)
+ 2307 × 0 which equals 0
+ 2307 × 30 giving us 69210
+ 2307 × 200 what gives us 461400
+ 2307 × 1000 what gives us 2307000

= 2837610
