Simple calculation: (7/18)+((5/16)-(7/18))+(11/16).
简便计算：(7/18)+((5/16)-(7/18))+(11/16)．
<gadget id="calculator">7 / 18</gadget>
<output>7/18 = around 0.388889</output>

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

<gadget id="calculator">(5/16) - (7/18)</gadget>
<output>-11/144 = around -0.076389</output>

<gadget id="calculator">11 / 16</gadget>
<output>11/16 = around 0.6875</output>

<gadget id="calculator">(7/18) + (-11/144) + (11/16)</gadget>
<output>1</output>

<result>1</result>