Aunt Li sold 36.45 kilograms of fruit in the morning, and 8.7 kilograms less in the afternoon than in the morning. How many kilograms did she sell in total in one day?
李阿姨卖水果，上午卖出36.45千克，下午比上午卖出的少8.7千克，一天共卖出多少千克？
<gadget id="calculator">36.45 - 8.7</gadget>
<output>27.75</output>

<gadget id="calculator">27.75 + 36.45</gadget>
<output>64.2</output>

<result>64.2</result>