If a tractor plows 0.5 hectares per hour, how many hectares can it plow in 0.75 hours?
一台拖拉机每小时耕地0.5公顷，0.75小时可以耕地多少公顷．
<gadget id="calculator">0.5 * 0.75</gadget>
<output>0.375</output>

<result>0.375</result>