The whole family of owls caught 644 voles in 7 days. How many voles do they catch on average every day?
猫头鹰全家7天共捉了644只田鼠，它们平均每天要捉多少只田鼠？
<gadget id="calculator">644 / 7</gadget>
<output>92</output>

<result>92</result>