Simple calculation ((7/8)-(5/16))*((2/9)+(2/3)).
简便计算((7/8)-(5/16))*((2/9)+(2/3))．
<gadget id="calculator">7 / 8</gadget>
<output>7/8 = around 0.875</output>

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

<gadget id="calculator">(7/8) - (5/16)</gadget>
<output>9/16 = around 0.5625</output>

<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(2/9) + (2/3)</gadget>
<output>8/9 = around 0.888889</output>

<gadget id="calculator">(9/16) * (8/9)</gadget>
<output>1/2 = around 0.5</output>

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