The flower house of Uncle Li’s house is 18 meters long and 6 meters wide. (1/3) of the land is used to plant roses. How many square meters is the planting area of roses?
李大爷家的花房长18米，宽6米，用其中的(1/3)的地种玫瑰，玫瑰的种植面积是多少平方米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">18 * 6 * (1/3)</gadget>
<output>36</output>

<result>36</result>