If the ratio of number A to number B is 4:3, then number B is less than number A.
甲数与乙数的比是4：3，则乙数比甲数少多少．
<gadget id="calculator">4 - 3</gadget>
<output>1</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>