The ratio of a ratio is (2/5). If the latter term is multiplied by 3 and the former term remains unchanged, then find a new ratio. What is the column
一个比的比值是(2/5)，如果后项乘3，前项不变，那么求新的比值．列式是多少
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(2/5) / 3</gadget>
<output>2/15 = around 0.133333</output>

<result>2/15 = around 0.133333</result>