Wangzhuang Village needs to build a 600-meter-long road. 46 meters have been repaired every day, and it has been repaired for 12 days. How much remains to be repaired?
王庄村要修一条600米长的公路．每天修了46米，已经修了12天，还有多少没有修？
<gadget id="calculator">46 * 12</gadget>
<output>552</output>

<gadget id="calculator">600 - 552</gadget>
<output>48</output>

<result>48</result>