The turnover of a store in the first three days of August is 385 yuan, 400 yuan, and 415 yuan respectively. What is the total turnover of this store in August?
一个商店八月份前3天的营业额分别是385元、400元、415元，这个商店八月份的总营业额是多少元？
<gadget id="calculator">385 + 400 + 415</gadget>
<output>1_200</output>

<gadget id="calculator">1_200 / 3</gadget>
<output>400</output>

<gadget id="calculator">400 * 31</gadget>
<output>12_400</output>

<result>12_400</result>