The store shipped in 300 pens, and after selling them for 6 months, there were still 6 pens left. Please ask a mathematical question and answer it.
商店运进300支钢笔，卖了6个月后还剩6支．请你提出一个数学问题，并解答．
<gadget id="calculator">300 - 6</gadget>
<output>294</output>

<gadget id="calculator">294 / 6</gadget>
<output>49</output>

<result>49</result>