Moving the decimal point of number A to the left by two places is 20% of number B, then number B is the number of A.
把甲数的小数点向左移动两位就是乙数的20%，那么乙数是甲数的多少．
<gadget id="calculator">1 / 20</gadget>
<output>1/20 = around 0.05</output>

<result>1/20 = around 0.05</result>