A monthly magazine, if you subscribe every six months, there is no discount, and each copy is 8 yuan; if you subscribe every year, you can get a 10% discount. If you subscribe to this monthly magazine for one year, how much money can you save if you subscribe every year compared to every six months?
一种月刊，如果半年一订，没有优惠，每份8元；如果一年一订，可打九折，订一份这种月刊1年，一年一订比半年一订可以节省多少钱？
<gadget id="calculator">8 * 12</gadget>
<output>96</output>

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

<gadget id="calculator">8 * (9/10) * 12</gadget>
<output>432/5 = around 86.4</output>

<gadget id="calculator">96 - (432/5)</gadget>
<output>48/5 = around 9.6</output>

<result>48/5 = around 9.6</result>