Calculation: (3/7)*(3/4)+(4/7)*0.75+(5/7)*75%.
计算：(3/7)*(3/4)+(4/7)*0.75+(5/7)*75%．
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

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

<gadget id="calculator">(3/7) * (3/4)</gadget>
<output>9/28 = around 0.321429</output>

<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">(4/7) * 0.75</gadget>
<output>0.428571</output>

<gadget id="calculator">5 / 7</gadget>
<output>5/7 = around 0.714286</output>

<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(5/7) * (3/4)</gadget>
<output>15/28 = around 0.535714</output>

<gadget id="calculator">(9/28) + 0.428571 + (15/28)</gadget>
<output>1.285714</output>

<result>1.285714</result>