Aunt Zhang buys a bottle of shampoo priced at 80 yuan, of which consumption tax accounts for about 25% of the price. How much consumption tax does Aunt Zhang have to pay for this?
张阿姨买一瓶售价为80元的洗发液，其中消费税大约占售价的25%．张阿姨为此要支付消费税大约多少元．
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">80 * (1/4)</gadget>
<output>20</output>

<result>20</result>