No problem, we've got 1309 and 4680 to multiply
1309 × 4680 = 4680 × (1309)
+ 4680 × 9 what gives us 42120
+ 4680 × 00 that results in 0
+ 4680 × 300 resulting in 1404000
+ 4680 × 1000 what gives us 4680000

= 6126120
