The sum of (3/4) plus (1/2) is equal to (15/16) of a number, find this number.
(3/4)加上(1/2)的和等于一个数的(15/16)，求这个数．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(3/4) + (1/2)</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">15 / 16</gadget>
<output>15/16 = around 0.9375</output>

<gadget id="calculator">(5/4) / (15/16)</gadget>
<output>4/3 = around 1.333333</output>

<result>4/3 = around 1.333333</result>