A road is 1000 meters long, how many pieces of road cliff stones with a length of 8 decimeters are required to be inlaid on both sides of the road?
一条路长1000米，要在路的两边镶上每块长是8分米的路崖石，一共需要多少块？
<gadget id="calculator">8 / 10</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1_000 / (4/5)</gadget>
<output>1_250</output>

<gadget id="calculator">1_250 * 2</gadget>
<output>2_500</output>

<result>2_500</result>