When Qianqian was doing a division formula, she accidentally wrote an extra 0 at the end of the dividend. The resulting quotient was 300. What is the correct quotient?
倩倩在做一道除法算式时，不小心在被除数末尾多写了一个0，结果得到的商是300，正确的商是多少？
<gadget id="calculator">300 / 10</gadget>
<output>30</output>

<result>30</result>