The original price of a football is 105 yuan, and the discount is 25% during the National Day. How much can you save by buying this football during this period?
一个足球原价105元，国庆期间七五折优惠，这期间买这个足球可节省多少元？
<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">105 * (1/4)</gadget>
<output>105/4 = around 26.25</output>

<result>105/4 = around 26.25</result>