A famous indoor stadium is divided into four triangles and a trapezium. Let us name the stadium's layout as \(ABCDE\). Also, we are given the dimensions of the layout as \(AD =\) 20 \(cm\), \(AH =\) 12 \(cm\), \(AG =\) 6.7\(cm\), \(AF =\) 3 \(cm\). What will the area of the stadium's layout be?
A few essential measurements of the stadium's layout is given below.
[Note: Round off the answer obtained to the nearest whole number]