Shopping malls engage in discount promotions, and stationery is 20% off. Xiao Ming bought a schoolbag, which was 12 yuan cheaper than before the discount. How much was the price of this schoolbag before the discount?
商场搞打折促销，文具类打8折．小明买了一个书包，比打折前便宜了12元．这个书包打折促销以前标价多少元？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">12 / (1/5)</gadget>
<output>60</output>

<result>60</result>