Pingping donated a total of 35 yuan to the Wenchuan disaster area, and Lulu's donation was 5 yuan less than Pingping's three times. How much did Lulu donate?
平平在为汶川灾区捐款活动中，共捐款35元，露露捐的款比平平的3倍少5元．露露捐款多少元？
<gadget id="calculator">35 * 3</gadget>
<output>105</output>

<gadget id="calculator">105 - 5</gadget>
<output>100</output>

<result>100</result>