Uncle Wang, Uncle Li and Uncle Zhao took a business trip by plane. The quality of the luggage they brought exceeded the quality of free luggage. They had to pay extra luggage fees. The three paid a total of 8 yuan, and the luggage weighed 150 yuan. kg, if a person carries 150 kg of luggage, then in addition to the free part, an additional luggage fee of 16 yuan should be paid. Find the quality of luggage that each person can carry for free.
王叔叔、李叔叔和赵叔叔乘飞机出差，三人所带行李的质量都超过了可免费携带行李的质量，要另付行李费，三人共付了8元，而三人行李共重150千克，如果一个人带150千克的行李，那么除了免费部分，应另付行李费16元，求每人可免费携带行李的质量．
<gadget id="calculator">16 / 8</gadget>
<output>2</output>

<gadget id="calculator">2 + 3</gadget>
<output>5</output>

<gadget id="calculator">150 / 5</gadget>
<output>30</output>

<result>30</result>