Mr. Wang typed a manuscript, and he has already typed 25,000 words, and there is still (1/5) left to be typed. How many words are left to be typed?
王老师打一份稿件，已经打了25000字，还剩下(1/5)没打，还剩下多少字没打完？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">25_000 * (1/5)</gadget>
<output>5_000</output>

<result>5_000</result>