1-(1/4)+(3/4)=? How many
1-(1/4)+(3/4)=？多少
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

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

<gadget id="calculator">(3/4) + (3/4)</gadget>
<output>3/2 = around 1.5</output>

<result>3/2 = around 1.5</result>