table lamp is 90 yuan after a 40% discount. How much is the original price of this table lamp?
一盏台灯打六折后是90元，这盏台灯原价多少元．
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

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

<result>150</result>