The Yuxuan store in Yulin Culture and Art City sold 170 pieces of handicrafts from Monday to Friday last week; an average of 90 pieces of handicrafts were sold every day from Saturday to Sunday. How many pieces of handicrafts did Yuxuan shop sell on average every day last week?
玉林文化艺术城雨轩店上周周一至周五，共卖出工艺品170件；周六至周日平均每天卖出工艺品90件．雨轩店上周平均每天卖出工艺品多少件？
<gadget id="calculator">90 * 2</gadget>
<output>180</output>

<gadget id="calculator">170 + 180</gadget>
<output>350</output>

<gadget id="calculator">350 / 7</gadget>
<output>50</output>

<result>50</result>