10 * 4 : 5 * 6 =

Let's solve this step by step:

1. First, we multiply 10 by 4: $$10 \cdot 4 = 40$$.
2. Then, we divide the result by 5: $$40 : 5 = 8$$.
3. Finally, we multiply the result by 6: $$8 \cdot 6 = 48$$.

Answer: 48