The store bought 250 Chinese knots, and there are 12 remaining after 2 days of selling. How many knots are sold per day on average?
商店进了250个中国结，卖了2天还剩12个，平均每天卖多少个？
<gadget id="calculator">250 - 12</gadget>
<output>238</output>

<gadget id="calculator">238 / 2</gadget>
<output>119</output>

<result>119</result>