The sum of (5/8) and (3/4) is a number (5/16), find this number.
(5/8)与(3/4)的和是一个数的(5/16)，求这个数．
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(5/8) + (3/4)</gadget>
<output>11/8 = around 1.375</output>

<gadget id="calculator">5 / 16</gadget>
<output>5/16 = around 0.3125</output>

<gadget id="calculator">(11/8) / (5/16)</gadget>
<output>22/5 = around 4.4</output>

<result>22/5 = around 4.4</result>