Mingming and Xiaohua have a total of 36 watercolor pens. The number of watercolor pens is twice that of Xiaohua. How many watercolor pens does Mingming have?
明明和小华共有水彩笔36支，明明水彩笔的支书是小华的2倍，明明有水彩笔多少支？
<gadget id="calculator">2 + 1</gadget>
<output>3</output>

<gadget id="calculator">36 / 3</gadget>
<output>12</output>

<gadget id="calculator">12 * 2</gadget>
<output>24</output>

<result>24</result>