Xiao Zhou has memorized all the English words (5/7) and there are 200 words left to memorize. How many words does Xiao Zhou have to memorize in total?
小舟背英语单词，已经背了全部单词的(5/7)，还剩200个单词没有背，小舟一共要背多少个单词？
<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">1 - (5/7)</gadget>
<output>2/7 = around 0.285714</output>

<gadget id="calculator">200 / (2/7)</gadget>
<output>700</output>

<result>700</result>