The cost of a product is 72 yuan per piece. Originally sold at the price, 100 pieces can be sold every day, and the profit of each piece is 25% of the cost. Later, it is sold at 90% of the price, and the daily sales volume increases to 2.5 times the original. Calculated in this way , How much more does the daily profit increase than the original?
某商品每件成本72元，原来按定价出售，每天可售出100件，每件利润为成本的25%，后来按定价的90%出售，每天销售量提高到原来的2.5倍，照这样计算，每天的利润比原来增加几元？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 + (1/4)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">(5/4) / 100</gadget>
<output>1/80 = around 0.0125</output>

<gadget id="calculator">72 * (5/4) * 72 * (1/80)</gadget>
<output>81</output>

<gadget id="calculator">81 - 72</gadget>
<output>9</output>

<gadget id="calculator">100 * 2.5 * 9</gadget>
<output>2_250</output>

<gadget id="calculator">72 * (5/4)</gadget>
<output>90</output>

<gadget id="calculator">90 - 72</gadget>
<output>18</output>

<gadget id="calculator">100 * 18</gadget>
<output>1_800</output>

<gadget id="calculator">2_250 - 1_800</gadget>
<output>450</output>

<result>450</result>