A vegetable field is 300 square meters, 45% of which are cucumbers; what is the area of cucumbers in square meters?
一块菜地300平方米，其中45%种黄瓜；黄瓜的种植面积是多少平方米．
<gadget id="calculator">45 / 100</gadget>
<output>9/20 = around 0.45</output>

<gadget id="calculator">300 * (9/20)</gadget>
<output>135</output>

<result>135</result>