When the worker uncle measured the road, he first set up a pole at the starting point, and then erected one every 75 meters. Calculate: how many meters is the distance between the first pole and the ninth pole?
工人叔叔测量公路时，先在起点立一根标杆，以后每隔75米立一根，算一算：第一根和第九根相距多少米？
<gadget id="calculator">9 - 1</gadget>
<output>8</output>

<gadget id="calculator">75 * 8</gadget>
<output>600</output>

<result>600</result>