A bus travels from city A to city B. It travels more than half of the journey for more than 60km in 3 hours, and then reaches city B for 1/3 of the journey. How many kilometers does this bus travel on average per hour?
一辆客车从A城开往B城，3小时行了全程的一半多60km，再行时全程的(1/3)就到达B城，这辆客车平均每小时行多少千米？
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/2) - (1/3)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">60 / (1/6)</gadget>
<output>360</output>

<gadget id="calculator">360 * (1/2)</gadget>
<output>180</output>

<gadget id="calculator">180 + 60</gadget>
<output>240</output>

<gadget id="calculator">240 / 3</gadget>
<output>80</output>

<result>80</result>