Xiao Ming bought 5 model cars, he paid 250 yuan, and got 5 yuan back. How much is an average model car?
小明买了5辆模型车，他付了250元，找回5元．平均每辆模型车多少元？
<gadget id="calculator">250 - 5</gadget>
<output>245</output>

<gadget id="calculator">245 / 5</gadget>
<output>49</output>

<result>49</result>