sa'mc;krwg

5*4*3 1\2=5 x 4 x 3 1/2 =70

5*4*3 1\2

$\begin{array}{rcll} 5\cdot 4 \cdot 3~ \frac12 &=& 60\ \frac12 \\ &=& 60+\frac12 \\ &=& 60.5 \\ \end{array}$