The paving team paved a road, paved 2.5 kilometers every day, and paved the full length in 7 days (5/8). How long is this road in kilometers?
铺路队铺一条路，每天铺2.5千米，7天铺好全长的(5/8)．这条路全长多少千米？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">7 / (5/8)</gadget>
<output>56/5 = around 11.2</output>

<gadget id="calculator">2.5 * (56/5)</gadget>
<output>28</output>

<result>28</result>