If a certain number is increased by (1/3) it is 40, then what is the number
某数增加它的(1/3)是40，那么这个数的是多少
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 + (1/3)</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">40 / (4/3)</gadget>
<output>30</output>

<result>30</result>