Calculation: (4/7)+(3/7)*(7/155)+(4/5).
计算：(4/7)+(3/7)*(7/155)+(4/5)．
<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<gadget id="calculator">1 / 51</gadget>
<output>1/51 = around 0.019608</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(4/7) + (1/51) + (4/5)</gadget>
<output>2_483/1_785 = around 1.391036</output>

<result>2_483/1_785 = around 1.391036</result>