There are 105 candies in the three piles, the number of candies in the first pile is three times that of the second pile, and the number of candies in the third pile is 3 times less than that in the second pile. How many candies are there in the third pile?
三堆糖果共有105颗，其中第一堆糖果的数量第二堆的3倍，而第三堆糖果的数量又比第二堆的2倍少3颗，第三堆糖果有多少颗？
<gadget id="calculator">105 + 3</gadget>
<output>108</output>

<gadget id="calculator">3 + 1 + 2</gadget>
<output>6</output>

<gadget id="calculator">108 / 6</gadget>
<output>18</output>

<gadget id="calculator">18 * 2</gadget>
<output>36</output>

<gadget id="calculator">36 - 3</gadget>
<output>33</output>

<result>33</result>