A total of 900 sets of clothes have been processed, which has been processed for 5 days, with an average of 128 sets processed per day. The rest will be completed in 2 days, how many sets should be processed on average per day?
一共加工900套衣服，已经加工了5天，平均每天加工128套．剩下的用2天完成，平均每天要加工多少套？
<gadget id="calculator">128 * 5</gadget>
<output>640</output>

<gadget id="calculator">900 - 640</gadget>
<output>260</output>

<gadget id="calculator">260 / 2</gadget>
<output>130</output>

<result>130</result>