Zhu Bo and Li Kai have a total of 120 stamps. It is known that the number of Zhu Bo's sheets belongs to Li Kai (5/7), so how many stamps does Zhu Bo have?
祝博和李凯一共有120张邮票，已知祝博的张数是李凯的(5/7)，那么祝博有多少张邮票．
<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">1 + (5/7)</gadget>
<output>12/7 = around 1.714286</output>

<gadget id="calculator">120 / (12/7)</gadget>
<output>70</output>

<gadget id="calculator">70 * (5/7)</gadget>
<output>50</output>

<result>50</result>