how to divide 3 numbers together?

Answer : 

We can understand that by taking example , As  :

48 $÷$ 3  $÷$  2

So , we can write it As  :
$$\begin{gathered} \Rightarrow \frac{48}{{\displaystyle \frac{3}{2}}} \\ \Rightarrow \frac{48}{3 \times 2} \\ \Rightarrow \frac{48}{6} \\ \Rightarrow 8 \end{gathered}$$

So ,

48 $÷$ 3  $÷$  2  =  8  ( Ans )