The Spring Festival is coming, a supermarket bought 930 small Chinese knots, which is 70 less than the purchased big Chinese knots five times, how many big Chinese knots did the supermarket buy?
春节快到了，某超市购进930只小中国节，比购进的大中国结的5倍少70只，超市购进多少只大中国结？
<gadget id="calculator">930 + 70</gadget>
<output>1_000</output>

<gadget id="calculator">1_000 / 5</gadget>
<output>200</output>

<result>200</result>