The store promotes a backlog product, and sells it after a 30% price reduction. The price of each item is 140 yuan. How much is the original price? (solution with equation)
商店促销一种积压品，降价30%后出售，每件售价140元，问原价多少元？(用方程解答)
<gadget id="calculator">140 / 0.7</gadget>
<output>200</output>

<result>200</result>