A number minus (4/5), plus (1/3) equals (3/8), find this number.
一个数减去(4/5)，再加上(1/3)等于(3/8)，求这个数．
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(3/8) - (1/3)</gadget>
<output>1/24 = around 0.041667</output>

<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">(1/24) + (4/5)</gadget>
<output>101/120 = around 0.841667</output>

<result>101/120 = around 0.841667</result>