((7/25)+(3/5))/25.
((7/25)+(3/5))/25．
<gadget id="calculator">7 / 25</gadget>
<output>7/25 = around 0.28</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(7/25) + (3/5)</gadget>
<output>22/25 = around 0.88</output>

<gadget id="calculator">(22/25) / 25</gadget>
<output>22/625 = around 0.0352</output>

<result>22/625 = around 0.0352</result>