The price of a certain schoolbag is 120 yuan after a 20% discount. If it is sold at a 40% discount, how much is this schoolbag?
某款书包打八折后售价是120元，如果打六折出售，这款书包要多少元．
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">120 / (4/5)</gadget>
<output>150</output>

<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">150 * (3/5)</gadget>
<output>90</output>

<result>90</result>