When Xiaoling calculated the division, she miswrote the divisor 12 as 21. The resulting quotient was 17 with a remainder of 3. What should the correct quotient be?
小玲在计算除法时，把除数12错写成21，结果得到的商是17还余3，正确的商应该是多少
<gadget id="calculator">21 * 17</gadget>
<output>357</output>

<gadget id="calculator">357 + 3</gadget>
<output>360</output>

<gadget id="calculator">360 / 12</gadget>
<output>30</output>

<result>30</result>