30 : 5 * 4 : 3 =

Let's solve this step by step:

1. First, we divide 30 by 5: $$30 : 5 = 6$$.
2. Then, we multiply the result by 4: $$6 \cdot 4 = 24$$.
3. Finally, we divide the result by 3: $$24 : 3 = 8$$.

Answer: 8