A bus drove from the south bank of the Hangzhou Bay Bridge to the north bank. It took about 36 kilometers and took 20 minutes. What is the speed of this bus in kilometers per hour?
一辆大巴从杭州湾跨海大桥的南岸开往北岸，行驶了约36千米，用了20分钟，这辆大巴每小时的速度是多少千米
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">36 / (1/3)</gadget>
<output>108</output>

<result>108</result>