A vegetable field is surrounded by wooden strips to form a rectangle with a length of 10 meters and a width of 2 meters. What is the area of this vegetable field?
一块菜地用木条围成一个长方形，长10米，比宽多2米，这块菜地的面积是多少？
<gadget id="calculator">10 - 2</gadget>
<output>8</output>

<gadget id="calculator">10 * 8</gadget>
<output>80</output>

<result>80</result>