If a commodity is sold at a 10% discount on the original price, a profit of 44% can still be obtained; if it is sold at a 25% discount to the original price, the profit obtained is equal to the purchase price
某商品按原定价的九折出售，仍能获得44%的利润，若按原定价的七五折售出，获得利润是进价的多少
<gadget id="calculator">44 / 100</gadget>
<output>11/25 = around 0.44</output>

<gadget id="calculator">1 + (11/25)</gadget>
<output>36/25 = around 1.44</output>

<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">(36/25) / (9/10)</gadget>
<output>8/5 = around 1.6</output>

<gadget id="calculator">100 * (8/5)</gadget>
<output>160</output>

<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">160 * (3/4)</gadget>
<output>120</output>

<gadget id="calculator">120 - 100</gadget>
<output>20</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>