Apples are 3 yuan per kilogram, oranges are 2 yuan per kilogram, and pears are 5 yuan per kilogram. How much does it cost to buy 10 kilograms each of apples, oranges and pears?
苹果每千克3元，桔子每千克2元，梨每千克5元，请问苹果、桔子、梨各买10千克，一共需要多少钱？
<gadget id="calculator">3 + 2 + 5</gadget>
<output>10</output>

<gadget id="calculator">10 * 10</gadget>
<output>100</output>

<result>100</result>