(1/2) of a number is 1.5 more than (1/3) of this number, find this number. (solution by equation)
一个数的(1/2)比这个数的(1/3)多1.5，求这个数．(用方程解)
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

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

<gadget id="calculator">(1/2) - (1/3)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1.5 / (1/6)</gadget>
<output>9</output>

<result>9</result>