The original price of a schoolbag is 100 yuan, and the price will be reduced by 15% during the "June 1st" period. What is the current price?
一种书包原价100元一个，"六一"期间降价15%，现价是多少元．
<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">100 * (3/20)</gadget>
<output>15</output>

<gadget id="calculator">100 - 15</gadget>
<output>85</output>

<result>85</result>