The machinery factory plans to produce 1400 parts, and has been producing 180 parts per day for 3 days. The rest will take 5 days to complete, how many pieces should be produced on average per day?
机械厂计划生产1400个零件，已经生产了3天，每天生产180个．余下的要5天完成，平均每天要生产多少个？
<gadget id="calculator">180 * 3</gadget>
<output>540</output>

<gadget id="calculator">1_400 - 540</gadget>
<output>860</output>

<gadget id="calculator">860 / 5</gadget>
<output>172</output>

<result>172</result>