The subtrahend is 75% of the minuend, the difference is less than the minuend.
减数是被减数的75%，差比被减数少多少．
<gadget id="calculator">75 / 100</gadget>
<output>3/4 = around 0.75</output>

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

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

<result>3/4 = around 0.75</result>