10 teachers from Zhikangao group had a dinner together, and each person spent 40 yuan. Due to work reasons, two teachers left early, so how much is the amount of money each person needs to pay at the checkout?
智康奥数组10名教师聚餐，每人消费了40元．因为工作原因，有两位老师提前离开了，那么结账的时候每人需支付的钱数提高了多少元．
<gadget id="calculator">10 / 8</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">40 * (5/4)</gadget>
<output>50</output>

<gadget id="calculator">50 - 40</gadget>
<output>10</output>

<result>10</result>