Grandpa Li's vegetable garden is 18 meters long and 7 meters wide. What is the area of this vegetable garden in square meters?
李爷爷的菜园子长18米，宽7米，这个菜园子的面积是多少平方米？
<gadget id="calculator">18 * 7</gadget>
<output>126</output>

<result>126</result>