There are two boxes of watercolor pens, box A has 50 and box B has 26. Take 4 from box A and put them into box B each time, after how many times you take them, the two boxes of watercolor pens will have the same amount.
有两盒水彩笔，甲盒有50支，乙盒有26支．每次从甲盒中取4支放入乙盒，拿多少次后两盒水彩笔就同样多．
<gadget id="calculator">50 + 26</gadget>
<output>76</output>

<gadget id="calculator">76 / 2</gadget>
<output>38</output>

<gadget id="calculator">50 - 38</gadget>
<output>12</output>

<gadget id="calculator">12 / 4</gadget>
<output>3</output>

<result>3</result>