A and B are two ships. Starting from two piers at the same time, ship A travels 38 nautical miles per hour, and ship B travels 28 nautical miles per hour. After traveling for 4 hours, the two ships were still 67 nautical miles apart. How many nautical miles are the two piers apart?
甲、乙两艘轮船．分别从两个码头同时出发相向而行，甲船每小时时行38海里，乙船每小时行28海里．两船行驶4小时后，还相距67海里．两个码头相距多少海里？
<gadget id="calculator">38 + 28</gadget>
<output>66</output>

<gadget id="calculator">66 * 4</gadget>
<output>264</output>

<gadget id="calculator">264 - 67</gadget>
<output>197</output>

<result>197</result>