There are 8 pieces of red, yellow, and green chalks of the same texture, shape, and size in a box. When you blindfolded and go to the box to pick up chalk, in order to ensure that there are at least 5 pieces of chalk out of the box. The color is the same, how many pieces of chalk should be taken at least?
一个盒子里放了质地、形状、大小都相同的红、黄、绿三种颜色的粉笔各8支，当你蒙上眼睛去盒子中取粉笔时，为了确保自己取出的粉笔中至少有5支颜色相同，应至少取出多少支粉笔？
<gadget id="calculator">3 * 4</gadget>
<output>12</output>

<gadget id="calculator">12 + 1</gadget>
<output>13</output>

<result>13</result>