On one side of the newly built bridge, a street lamp is installed every 12 meters (both ends are installed), and a total of 33 street lamps are installed. Now it is redesigned to install one lamp every 16 meters, so that only a few street lamps are needed.
在新建大桥的一侧，每隔12米装一盏路灯(两端都装)，共装路灯33盏，现重新设计，每16米装一盏，这样只需路灯多少盏．
<gadget id="calculator">33 - 1</gadget>
<output>32</output>

<gadget id="calculator">12 / 16</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">32 * (3/4)</gadget>
<output>24</output>

<gadget id="calculator">24 + 1</gadget>
<output>25</output>

<result>25</result>