A manuscript typed 85% of the total, exactly 170 pages. How many pages does this manuscript have?
一份稿件打了总数的85%，正好打了170页．这份稿件共有多少页．
<gadget id="calculator">85 / 100</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">170 / (17/20)</gadget>
<output>200</output>

<result>200</result>