A minimal fraction, the numerator is reduced by 3 times, the denominator is enlarged by 2 times, after simplification is (1/10), what is the fraction.
一个最简分数，分子缩小3倍，分母扩大2倍，化简后是(1/10)，这个分数是多少．
<gadget id="calculator">1 * 3</gadget>
<output>3</output>

<gadget id="calculator">10 / 2</gadget>
<output>5</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>