A triangular vegetable field has a base of 18 meters and an area of 360 square meters. Find the height of the triangular vegetable field.
一块三角形菜地，底是18米，面积是360平方米，求三角形菜地的高．
<gadget id="calculator">2 / 18</gadget>
<output>1/9 = around 0.111111</output>

<gadget id="calculator">360 * (1/9)</gadget>
<output>40</output>

<result>40</result>