The shoe store "Celebrates New Year's Day" offers a 20% discount for all activities. Xiaojun bought a pair of sneakers whose original price was 180 yuan. How much less can he pay now?
鞋店"庆元旦"搞活动，一律打八折，小军买了一双原价是180元的运动鞋，现在可以少付多少元？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">180 * (4/5)</gadget>
<output>144</output>

<gadget id="calculator">180 - 144</gadget>
<output>36</output>

<result>36</result>