columns. Not counting: a batch of goods, the purchase price is 850 yuan, plus 18% and then sold, what is the selling price?
列式．不计算：一批商品，进价850元，加一成八再出售，售价是多少？
<gadget id="calculator">18 / 100</gadget>
<output>9/50 = around 0.18</output>

<gadget id="calculator">1 + (9/50)</gadget>
<output>59/50 = around 1.18</output>

<gadget id="calculator">850 * (59/50)</gadget>
<output>1_003</output>

<result>1_003</result>