The number of A is 1.6 times of the number of B, and the number of B is much less than the number of A.
甲数是乙数的1.6倍，乙数比甲数少多少．
<gadget id="calculator">1 * 1.6</gadget>
<output>1.6</output>

<gadget id="calculator">1.6 - 1</gadget>
<output>0.6</output>

<gadget id="calculator">0.6 / 1.6</gadget>
<output>0.375</output>

<result>0.375</result>