(2/3) of a number is 2 greater than (7/9) of 36, what is this number? (Solution of column equation)
一个数的(2/3)比36的(7/9)大2，这个数是多少？(列方程解)
<gadget id="calculator">7 / 9</gadget>
<output>7/9 = around 0.777778</output>

<gadget id="calculator">36 * (7/9)</gadget>
<output>28</output>

<gadget id="calculator">2 + 28</gadget>
<output>30</output>

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

<gadget id="calculator">30 / (2/3)</gadget>
<output>45</output>

<result>45</result>