Mom bought 4.5 kilograms of pork and spent a total of 56.25 yuan. How much is it per kilogram of pork?
妈妈买4.5千克猪肉，共花了56.25元，每千克猪肉多少元？
<gadget id="calculator">56.25 / 4.5</gadget>
<output>12.5</output>

<result>12.5</result>