The price of a school uniform is 180 yuan, and the price of the jacket is 125% of that of the trousers. What is the price of the jacket? (Solution of column equation)
一套校服的价格是180元，其中上衣的价格是裤子的125%，上衣的价格是多少元．(列方程解)
<gadget id="calculator">180 / 2.25</gadget>
<output>80</output>

<gadget id="calculator">125 / 100</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">80 * (5/4)</gadget>
<output>100</output>

<result>100</result>