There are 222 cars at station A, and 78 cars at station B. Every day, 22 cars drive from station A to station B, and 26 cars drive from station B to station A. After how many days, the number of cars at station A is 5 times that of station B.
甲站有222辆汽车，乙站有78辆汽车，每天从甲站开往乙站22辆，从乙站开往甲站26辆，多少天后，甲站的汽车是乙站5倍．
<gadget id="calculator">222 + 78</gadget>
<output>300</output>

<gadget id="calculator">5 + 1</gadget>
<output>6</output>

<gadget id="calculator">300 / 6</gadget>
<output>50</output>

<gadget id="calculator">78 - 50</gadget>
<output>28</output>

<gadget id="calculator">26 - 22</gadget>
<output>4</output>

<gadget id="calculator">28 / 4</gadget>
<output>7</output>

<result>7</result>