The "Baixue" washing machine factory plans to produce 1,500 washing machines, with an average of 87 washing machines per day in the first 10 days, and the rest will be completed within a week. How many washing machines will be produced on average every day this week?
"白雪"洗衣机厂计划生产1500台洗衣机，前10天平均每天生产87台，剩下的要在一周内完成，这一周平均每天需生产洗衣机多少台？
<gadget id="calculator">87 * 10</gadget>
<output>870</output>

<gadget id="calculator">1_500 - 870</gadget>
<output>630</output>

<gadget id="calculator">630 / 7</gadget>
<output>90</output>

<result>90</result>