car gets off halfway with 4 fewer passengers than the total (5/8), and at the same time 20 people get on the car. At this time, there are 1 fewer passengers than the car originally carried. How many passengers did the car originally carry?
一辆汽车在中途下车的乘客比总数的(5/8)少4人，同时又有20人上车，这时比汽车原来载客少1人，求汽车原来载客多少人？
<gadget id="calculator">4 + 20 + 1</gadget>
<output>25</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">1 - 1</gadget>
<output>0</output>

<gadget id="calculator">(5/8) + 0</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">25 / (5/8)</gadget>
<output>40</output>

<result>40</result>