A pair of leather shoes is priced at 50% of the cost, and later sold at 25% off the original price due to seasonal reasons. The reduced new price is 63 yuan per pair, so the original price of each pair of leather shoes is How much is it.
一双皮鞋，按成本加五成作为售价，后因季节性原因，按原售价的七五折出售，降低后的新售价是每双63元，则这批皮鞋每双的原售价是多少元．
<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/2) * (3/4)</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">(3/4) + (3/8)</gadget>
<output>9/8 = around 1.125</output>

<gadget id="calculator">63 / (9/8)</gadget>
<output>56</output>

<gadget id="calculator">1 + (1/2)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">56 * (3/2)</gadget>
<output>84</output>

<result>84</result>