25% of a number is equal to (1/2) of 36. Find this number.
一个数的25%与36的(1/2)相等．求这个数．
<gadget id="calculator">1 / 2</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/2) / (1/4)</gadget>
<output>2</output>

<gadget id="calculator">36 * 2</gadget>
<output>72</output>

<result>72</result>