(1/8)/((1/25)*((2/5)+(1/10))).
(1/8)/((1/25)*((2/5)+(1/10)))．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 / 25</gadget>
<output>1/25 = around 0.04</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">(2/5) + (1/10)</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">(1/25) * (1/2)</gadget>
<output>1/50 = around 0.02</output>

<gadget id="calculator">(1/8) / (1/50)</gadget>
<output>25/4 = around 6.25</output>

<result>25/4 = around 6.25</result>