There are 54 cars in the parking lot, 45 of which are big cars, and the rest are small cars. How many times are there more big cars than small cars?
停车场有54辆汽车，里边有大汽车45辆，其余的是小汽车，大汽车的辆数是小汽车的几倍？
<gadget id="calculator">54 - 45</gadget>
<output>9</output>

<gadget id="calculator">45 / 9</gadget>
<output>5</output>

<result>5</result>