A businessman priced a children's toy at 160 yuan, but the fact is that even if it is sold at 18 yuan, he can still earn 20%. If sold at the original price, how much profit can this toy make?
一个商人把一个儿童玩具标价160元，但事实是：即使降至18元一件出售，他仍可以赚20%．如按原价出售，那这件玩具可获暴利多少元？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">18 / (6/5)</gadget>
<output>15</output>

<gadget id="calculator">160 - 15</gadget>
<output>145</output>

<result>145</result>