270 is 30 more than (2/3) of a number, what is the number?
270比一个数的(2/3)多30，求这个数是多少？
<gadget id="calculator">270 - 30</gadget>
<output>240</output>

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

<gadget id="calculator">240 / (2/3)</gadget>
<output>360</output>

<result>360</result>