The two families of Weng Zhongyan and Nie Fuyu go to the restaurant to eat, and they share 220 yuan. The AA system is implemented. There are 5 people in Nie Fuyu's family and 3 people in Weng Zhongyan's family. How much should Nie Fuyu's family pay?
翁中燕和聂富煜两家人去餐厅吃饭，共用去220元，实行AA制，聂富煜家有5人，翁中燕家有3人，聂富煜家应该付多少元．
<gadget id="calculator">3 + 5</gadget>
<output>8</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">220 * (5/8)</gadget>
<output>275/2 = around 137.5</output>

<result>275/2 = around 137.5</result>