The original price of KFC's "Old Beijing Chicken Roll" is 10 yuan each, but with the money my mother brought, I can buy 10. If you use coupons, each can be 2 yuan cheaper. Mom has 10 coupons in her hand. Please do the math for mom. How much "Old Beijing Chicken Roll" can she buy with the money she brings?
肯德基"老北京鸡肉卷"原价每个10元，妈妈带的钱可以买10个．如果使用优惠券，每个可以便宜2元．妈妈手中有10张优惠券，请你帮妈妈算一算，她带的钱最多可以买多少的"老北京鸡肉卷"？
<gadget id="calculator">10 * 10</gadget>
<output>100</output>

<gadget id="calculator">10 - 2</gadget>
<output>8</output>

<gadget id="calculator">8 * 10</gadget>
<output>80</output>

<gadget id="calculator">100 - 80</gadget>
<output>20</output>

<gadget id="calculator">20 / 10</gadget>
<output>2</output>

<gadget id="calculator">10 + 2</gadget>
<output>12</output>

<result>12</result>