6 small sticks form a hexagon. After the second grader puts together 105 hexagons, there are still 4 sticks left. How many sticks does the second grader have?
6根小棒拼成一个六边形，二年级小朋友拼了105个六边形后还剩下4根小棒，二年级小朋友一共有多少根小棒？
<gadget id="calculator">105 * 6</gadget>
<output>630</output>

<gadget id="calculator">630 + 4</gadget>
<output>634</output>

<result>634</result>