The area is S= 1 10 m2, and the problem solving process is as follows:

Assuming that the area of the circle is x and the area of the rectangle is y, then according to the known conditions, we can draw the conclusion that:

7/8 X - 5/6 Y = 220

1/8 X = 1/6 y

The service area is S= 1/8 x or S= 1/6 y.

The solution is S= 1 10 (square meter)

Answer: Service area 1 10 square meter.