For a fraction, the sum of numerator and denominator is 56, if it is simplified by adding 1 to its denominator, it will be (1/2). What is this score.
一个分数，分子和分母的和是56，如果把它的分母加上1后化简得(1/2)．这个分数是多少．
<gadget id="calculator">56 + 1</gadget>
<output>57</output>

<gadget id="calculator">1 + 2</gadget>
<output>3</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">57 * (1/3)</gadget>
<output>19</output>

<gadget id="calculator">57 - 19</gadget>
<output>38</output>

<gadget id="calculator">38 - 1</gadget>
<output>37</output>

<gadget id="calculator">19 / 37</gadget>
<output>19/37 = around 0.513514</output>

<result>19/37 = around 0.513514</result>