A basketball court is 28 meters long and 15 meters wide. How many square meters is half a court?
一个篮球场的长是28米，宽是15米．半个球场有多少平方米？
<gadget id="calculator">15 / 2</gadget>
<output>15/2 = around 7.5</output>

<gadget id="calculator">28 * (15/2)</gadget>
<output>210</output>

<result>210</result>