(1/3) of a number is 22 more than (1/5) of this number. What is this number?
一个数的(1/3)比这个数的(1/5)多22，这个数是多少．
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">(1/3) - (1/5)</gadget>
<output>2/15 = around 0.133333</output>

<gadget id="calculator">22 / (2/15)</gadget>
<output>165</output>

<result>165</result>