The young pioneers of the school visited the aerospace exhibition. If each car seats 45 people, 10 people cannot take the car; if each car seats 5 more people, there will be exactly one extra car. How many young pioneers are there?
学校少先队参观航天展览，如果每车坐45人，则有10人不能乘车；如果每车多坐5人，恰好多余1辆车．全体少先队员有多少人？
<gadget id="calculator">45 + 5 + 10</gadget>
<output>60</output>

<gadget id="calculator">60 / 5</gadget>
<output>12</output>

<gadget id="calculator">45 * 12</gadget>
<output>540</output>

<gadget id="calculator">540 + 10</gadget>
<output>550</output>

<result>550</result>