The store shipped a batch of scarves, each with a cost price of 72 yuan. Originally, each scarf was priced at a profit of 25%, and 100 scarves could be sold every day. Later, it was sold at 90% of the price, and the daily sales volume increased to 2.5 times the original. How much is the daily profit increased from the original?
商店运来一批围巾，每条成本价72元，原来按每条25%的利润定价出售，每天可售出100条．后来按定价的90%出售，每天销售量提高到原来的2.5倍．现在每天的利润比原来增加多少元？
<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">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">(5/4) * (9/10)</gadget>
<output>9/8 = around 1.125</output>

<gadget id="calculator">(9/8) - 1</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">(1/8) * 2.5</gadget>
<output>0.3125</output>

<gadget id="calculator">0.3125 - (1/4)</gadget>
<output>0.0625</output>

<gadget id="calculator">72 * 100 * 0.0625</gadget>
<output>450</output>

<result>450</result>