Mr. Wang ordered a batch of products from a certain factory, priced at 100 yuan each, and ordered 60 pieces in total. Mr. Wang said to the factory manager: "If you reduce the price of each piece by 1 yuan, I will order 3 more pieces." After calculation, the factory manager, If the price is reduced by 4%, since Mr. Wang orders more, he can still get the same profit as before. How much does this product cost per piece?
王先生向某工厂订购一批产品，每件定价100元，共订购60件，王先生对厂长说："如果你每件减价1元我就多订购3件．"厂长经过计算，如果减价4%，由于王先生多订购，仍可获得与原来一样多的利润，这种产品每件成本多少元？
<gadget id="calculator">4 / 100</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">1 - (1/25)</gadget>
<output>24/25 = around 0.96</output>

<gadget id="calculator">100 * (24/25)</gadget>
<output>96</output>

<gadget id="calculator">100 - 96</gadget>
<output>4</output>

<gadget id="calculator">3 * 4</gadget>
<output>12</output>

<gadget id="calculator">60 + 12</gadget>
<output>72</output>

<gadget id="calculator">100 * (24/25) * 72</gadget>
<output>6_912</output>

<gadget id="calculator">100 * 60</gadget>
<output>6_000</output>

<gadget id="calculator">6_912 - 6_000</gadget>
<output>912</output>

<gadget id="calculator">72 - 60</gadget>
<output>12</output>

<gadget id="calculator">912 / 12</gadget>
<output>76</output>

<result>76</result>