(2/3) of number A is equal to 25% of number B, how much less number A is than number B.
甲数的(2/3)等于乙数的25%，甲数比乙数少多少．
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(1/4) / (2/3)</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 * (3/8)</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 - (3/8)</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">(5/8) / 1</gadget>
<output>5/8 = around 0.625</output>

<result>5/8 = around 0.625</result>