The sum of (3/4) plus (5/8) of a number is 1, what is this number?
一个数的(3/4)加(5/8)的和是1，这个数是多少？
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">1 - (5/8)</gadget>
<output>3/8 = around 0.375</output>

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

<gadget id="calculator">(3/8) / (3/4)</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>