Calculation: (35/128)/((1/8)+(3/4)); (8/13)/7+(1/7)*(5/13).
计算：(35/128)/((1/8)+(3/4))；(8/13)/7+(1/7)*(5/13)．
<gadget id="calculator">8 / 13</gadget>
<output>8/13 = around 0.615385</output>

<gadget id="calculator">5 / 13</gadget>
<output>5/13 = around 0.384615</output>

<gadget id="calculator">(8/13) + (5/13)</gadget>
<output>1</output>

<gadget id="calculator">1 / 7</gadget>
<output>1/7 = around 0.142857</output>

<gadget id="calculator">1 * (1/7)</gadget>
<output>1/7 = around 0.142857</output>

<result>1/7 = around 0.142857</result>