The numerator of a fraction is enlarged by 10 times, and the denominator is reduced by 10 times (10/19), what is the original fraction?
一个分数的分子扩大10倍，分母缩小10倍是(10/19)，原分数是多少．
<gadget id="calculator">10 / 10</gadget>
<output>1</output>

<gadget id="calculator">19 * 10</gadget>
<output>190</output>

<gadget id="calculator">1 / 190</gadget>
<output>1/190 = around 0.005263</output>

<result>1/190 = around 0.005263</result>