If a number is expanded to 100 times its original size, it will be 64. What is the number?
一个数扩大到原来的100倍后是64，这个数是多少．
<gadget id="calculator">64 / 100</gadget>
<output>16/25 = around 0.64</output>

<result>16/25 = around 0.64</result>