Xiaohong and Xiaoli participated in the donation activity for the "Hope Campaign". Xiaohong donated 7.8 yuan, which was 10.6 yuan less than Xiaoli. How much did Xiaoli donate?
小红和小丽参加为"希望活动"捐款活动，小红捐款7.8元，比小丽少捐款10.6元，小丽捐款多少元？
<gadget id="calculator">7.8 + 10.6</gadget>
<output>18.4</output>

<result>18.4</result>