When a bus departs, there are 72 passengers on board. Arrived at a station, the male passenger got off (1/8); the female passenger not only did not get off, but 3 people came up. At this time, the number of male and female passengers is exactly equal. How many male and female passengers are there on the bus?
一辆公共汽车在发车时，车上有乘客72人．到了一个车站，男乘客下去了(1/8)；女乘客不但没有下车，反而上来3人，这时男女乘客人数正好相等，求车上现有男、女乘客各多少人？
<gadget id="calculator">72 + 3</gadget>
<output>75</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 - (1/8)</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">1 + (7/8)</gadget>
<output>15/8 = around 1.875</output>

<gadget id="calculator">75 / (15/8)</gadget>
<output>40</output>

<gadget id="calculator">40 * (7/8)</gadget>
<output>35</output>

<result>35</result>