A truck B is traveling at a speed of 65 kilometers per hour, and a passenger car is traveling 1500 meters behind it at a speed of 80 kilometers per hour in the same direction. What is the distance between the two cars 1 minute before the passenger car passes the truck?
一辆货车乙每小时65千米的速度前进，一辆客车在它后面1500米以每小时80千米的速度同向行驶．客车超过货车前1分钟，两车相距多少米．
<gadget id="calculator">80 - 65</gadget>
<output>15</output>

<gadget id="calculator">15 / 60</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/4) * 1_000</gadget>
<output>250</output>

<result>250</result>