Problem: the floor of a rectangular room is 15 m long and 12 m wide . the room is surrounded by a verandah of width 2 m on all its sides . the area of the verandah is : 
Options: ['a ) 124 m 2', 'b ) 120 m 2', 'c ) 108 m 2', 'd ) 58 m 2', 'e ) none of these']
a