Calculation: (1/15)/3.25+(8/13)*(4/15)+(4/13)/3.75.
计算：(1/15)/3.25+(8/13)*(4/15)+(4/13)/3.75．
<gadget id="calculator">1 / 15</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">(1/15) / 3.25</gadget>
<output>0.020513</output>

<gadget id="calculator">8 / 13</gadget>
<output>8/13 = around 0.615385</output>

<gadget id="calculator">4 / 15</gadget>
<output>4/15 = around 0.266667</output>

<gadget id="calculator">(8/13) * (4/15)</gadget>
<output>32/195 = around 0.164103</output>

<gadget id="calculator">4 / 13</gadget>
<output>4/13 = around 0.307692</output>

<gadget id="calculator">(4/13) / 3.75</gadget>
<output>0.082051</output>

<gadget id="calculator">0.020513 + (32/195) + 0.082051</gadget>
<output>0.266667</output>

<result>0.266667</result>