Xiao Ming has 124 pieces of chocolate candy, and his sister only has 20 pieces. Xiao Ming wants his sister to have as much candy as his own. Every time he takes 13 pieces from his own can and puts them into his sister's can, how many times does he need to take them?
小明有124粒巧克力糖，妹妹只有20粒，小明想让妹妹的糖和自己的一样多，他每次从自己的罐里拿出13粒放入妹妹的罐里，需要拿几次？
<gadget id="calculator">124 - 20</gadget>
<output>104</output>

<gadget id="calculator">104 / 2</gadget>
<output>52</output>

<gadget id="calculator">52 / 13</gadget>
<output>4</output>

<result>4</result>