Apples are 3.8 yuan per kilogram, and pears are 2.9 yuan per kilogram. Mom bought 3 kilograms of apples and 5 kilograms of pears. How much did she spend in total?
苹果每千克3.8元，梨每千克2.9元，妈妈买了3千克苹果和5千克梨，一共花了多少钱？
<gadget id="calculator">3.8 * 3</gadget>
<output>11.4</output>

<gadget id="calculator">2.9 * 5</gadget>
<output>14.5</output>

<gadget id="calculator">11.4 + 14.5</gadget>
<output>25.9</output>

<result>25.9</result>