Each pair of skates is 36.2 yuan, and each hula hoop is 3.8 yuan. The school spent 624.4 yuan to buy 12 pairs of skates, how many more hula hoops can it buy?
每双溜冰鞋36.2元，每只呼拉圈3.8元．学校花624.4元买了12双溜冰鞋，还可以买多少只呼拉圈？
<gadget id="calculator">36.2 * 12</gadget>
<output>434.4</output>

<gadget id="calculator">624.4 - 434.4</gadget>
<output>190</output>

<gadget id="calculator">190 / 3.8</gadget>
<output>50</output>

<result>50</result>