7. Find the area of the veranda and total cost for cementing the floor

A verandah of width 3 \(m\) is constructed along the outside of a room of length 8 \(m\) and width 6 \(m\). Determine the area of the verandah and the cost of cementing the floor of the verandah at the rate of \(₹ \)23 per sq. m.

 

  

The area of the verandah is  $m^2$.

The total cost of cementing the floor of the verandah is \(₹\).