product is priced at a profit of 40%. Because the price is too high, few customers buy it, so the store launches a "50% discount promotion", so that each item can earn 140 yuan less than selling at the marked price. The cost of this product is how much?
一种商品按40%的利润标价，由于价格偏高很少有顾客购买，于是商店推出"九五折优惠促销"，这样每件就比按标价出售少赚140元，这种商品的成本是多少元？
<gadget id="calculator">40 / 100</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 + (2/5)</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">95 / 100</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">(7/5) * (19/20)</gadget>
<output>133/100 = around 1.33</output>

<gadget id="calculator">(7/5) - (133/100)</gadget>
<output>7/100 = around 0.07</output>

<gadget id="calculator">140 / (7/100)</gadget>
<output>2_000</output>

<result>2_000</result>