No problem, we've got 2308 and 6789 to multiply
2308 × 6789 = 6789 × (2308)
+ 6789 × 8 giving us 54312
+ 6789 × 00 which equals 0
+ 6789 × 300 giving us 2036700
+ 6789 × 2000 yielding 13578000

= 15669012
