The sales volume of a certain company this year is 2.4 million yuan, which is 1/5 more than last year. How much was the sales volume last year?
某一公司今年的销售额是240万元，比去年多了(1/5)，去年销售额是多少万元？
<gadget id="calculator">1 / 5</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">240 / (6/5)</gadget>
<output>200</output>

<result>200</result>