After a 10% discount, the price of a walkman is 144 yuan. How much is the original price of this walkman?
一个随身听打九折后售价是144元，这个随身听原价多少元．
<gadget id="calculator">90 / 100</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">144 / (9/10)</gadget>
<output>160</output>

<result>160</result>