There is a radio that costs 35 yuan each, and is now on sale at a 20% discount. How much does this radio sell for now?
有一种收音机，每台是35元，现在按八折出售．这种收音机现在每台卖多少元？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">35 * (4/5)</gadget>
<output>28</output>

<result>28</result>