The engineering team repaired a 1600-meter road, and 8 people have repaired 75% of the road in 2 days. How many meters are left unrepaired?
工程队修一条1600米的公路，8人2天已经修好这条公路的75%．还剩多少米没修？
<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1_600 * (1/4)</gadget>
<output>400</output>

<result>400</result>