It costs 2.50 yuan per kilogram of oranges and 4.60 yuan per kilogram of bananas. How much did my mother spend on buying 4 kilograms of oranges and 5 kilograms of bananas?
每千克橘子2.50元，每千克香蕉4.60元，妈妈买了4千克橘子和5千克香蕉一共花了多少钱？
<gadget id="calculator">2.5 * 4</gadget>
<output>10</output>

<gadget id="calculator">4.6 * 5</gadget>
<output>23</output>

<gadget id="calculator">10 + 23</gadget>
<output>33</output>

<result>33</result>