A bakery bought 64 kg of flour, and after using it for 4 days, there were still 8 kg left. How many grams of flour do you use on average per day?
一个面包店买来64千克面粉，用了4天后还剩下8千克．平均每天用面粉多少克？
<gadget id="calculator">64 - 8</gadget>
<output>56</output>

<gadget id="calculator">56 / 4</gadget>
<output>14</output>

<result>14</result>