A square vegetable field is 9 meters long on each side, and (1/3) of it is planted with tomatoes. What is the area in square meters for growing tomatoes?
一块正方形菜地每边长9米，它的(1/3)种了西红柿．种西红柿的面积是多少平方米？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">9 * 9 * (1/3)</gadget>
<output>27</output>

<result>27</result>