Mom went to the supermarket to buy 2.5 kilograms of meat at 13.5 yuan per kilogram. How much does it cost in total?
妈妈去超市买了2.5千克肉，每千克13.5元，一共要付多少元？
<gadget id="calculator">2.5 * 13.5</gadget>
<output>33.75</output>

<result>33.75</result>