The speed of the car is 60 kilometers per hour, which is faster (1/3) than the speed of the tractor. What is the speed of the tractor?
汽车的速度是每小时行60千米，比拖拉机的速度快(1/3)，拖拉机的速度是多少？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 + (1/3)</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">60 / (4/3)</gadget>
<output>45</output>

<result>45</result>