The number of A is 5 (1/5), and the number of B (1/5) is 5. How much is the difference between the two numbers?
甲数是5的(1/5)，乙数的(1/5)是5，两数相差多少？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">5 / (1/5)</gadget>
<output>25</output>

<gadget id="calculator">5 * (1/5)</gadget>
<output>1</output>

<gadget id="calculator">25 - 1</gadget>
<output>24</output>

<result>24</result>