If the number of A is 5 and the number of B is 4, then the number of B is smaller than the number of A.
甲数为5，乙数为4，则乙数比甲数小多少．
<gadget id="calculator">5 - 4</gadget>
<output>1</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>