In a rectangular factory building with a length of 24 meters and a width of 15 meters, 30 identical machines are placed. How many square meters does each machine occupy on average?
在一个长24米，宽15米的长方形厂房里，放了30台同样的机器．平均每台机器占地多少平方米？
<gadget id="calculator">15 / 30</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">24 * (1/2)</gadget>
<output>12</output>

<result>12</result>