The Agricultural Machinery Factory produced 279 harvesters in October (31 days). How many harvesters are produced on average per day?
农业机械厂10月份(31天)生产收割机279台，平均每天生产收割机多少台？
<gadget id="calculator">279 / 31</gadget>
<output>9</output>

<result>9</result>