Teacher Wang brought 620 yuan to buy basketballs. He bought 4 basketballs in total and got 8 yuan back. How much is a basketball?
王老师带了620元钱去买篮球，一共买了4个篮球，还找回8元钱，一个篮球多少元？
<gadget id="calculator">616 / 4</gadget>
<output>154</output>

<result>154</result>