Apples are 2.6 yuan per kilogram, and bananas are 5.2 yuan per kilogram. Mom bought 6 kilograms of apples and 4 kilograms of bananas. How much did she spend in total?
苹果每千克2.6元，香蕉每千克5.2元，妈妈买了6千克苹果和4千克香蕉，一共花了多少钱？
<gadget id="calculator">2.6 * 6</gadget>
<output>15.6</output>

<gadget id="calculator">5.2 * 4</gadget>
<output>20.8</output>

<gadget id="calculator">15.6 + 20.8</gadget>
<output>36.4</output>

<result>36.4</result>