Jiazhuang needs to build a 1,200-meter-long road, and 25% of it has been completed. How many meters are left unrepaired?
家庄要修一条长1200米的道路，已经完成了25%．还剩下多少米没修？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1_200 * (3/4)</gadget>
<output>900</output>

<result>900</result>