There are 30 people on a bus. When arriving at Heping Shopping Mall, (2/15) people get off the bus and 17 people get on the bus. How many people are on the bus at this time?
一辆公交车上有30人，到和平商场时，有(2/15)的人下车，又有17人上车，这时车上有多少人．
<gadget id="calculator">2 / 15</gadget>
<output>2/15 = around 0.133333</output>

<gadget id="calculator">1 - (2/15)</gadget>
<output>13/15 = around 0.866667</output>

<gadget id="calculator">30 * (13/15)</gadget>
<output>26</output>

<gadget id="calculator">26 + 17</gadget>
<output>43</output>

<result>43</result>