Mom bought 2 kilograms of eggs and 2 kilograms of apples. The eggs cost 4.3 yuan per kilogram, and the apples cost 5.7 yuan per kilogram. How much did you spend in total?
妈妈买了2千克鸡蛋和2千克苹果，鸡蛋每千克4.3元，苹果每千克5.7元．一共花了多少元钱？
<gadget id="calculator">4.3 + 5.7</gadget>
<output>10</output>

<gadget id="calculator">10 * 2</gadget>
<output>20</output>

<result>20</result>