There is a pile of chess pieces, 4 pieces are left after quintupling them; 3 pieces are left after taking three quintuplets; 2 pieces are left after taking two quintuplets. How many chess pieces are there at least?
有一堆棋子，把它们五等份后还剩4个；取其中的三份再五等份还剩3个；再取其中两份五等份还剩2个．这堆棋子最少有多少个？
<gadget id="calculator">5 * 2</gadget>
<output>10</output>

<gadget id="calculator">10 + 2</gadget>
<output>12</output>

<gadget id="calculator">12 / 2</gadget>
<output>6</output>

<gadget id="calculator">5 * 6</gadget>
<output>30</output>

<gadget id="calculator">30 + 3</gadget>
<output>33</output>

<gadget id="calculator">33 / 3</gadget>
<output>11</output>

<gadget id="calculator">11 * 5</gadget>
<output>55</output>

<gadget id="calculator">55 + 4</gadget>
<output>59</output>

<result>59</result>