There are 200 seats upstairs in the popular cinema, exactly (1/5) of the seats downstairs. How many seats are there downstairs in the cinema?
民众电影院的楼上有200个座位，正好是楼下座位的(1/5)，在电影院楼下有多少个座位？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">200 / (1/5)</gadget>
<output>1_000</output>

<result>1_000</result>