If a>0, then a*(3/4) is much larger than a+(3/4) compared to a+
如a＞0，那么a*(3/4)和a+(3/4)相比a+多少大
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<result>3/4 = around 0.75</result>