The original price of a commodity is 80 yuan, and it is sold at a 30% discount. How much is this commodity selling now?
一种商品原价80元，打七折出售，现在这种商品卖多少元？
<gadget id="calculator">70 / 100</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">80 * (7/10)</gadget>
<output>56</output>

<result>56</result>