How much more is 30 kg than 24 kg?
30千克比24千克多多少．
<gadget id="calculator">30 - 24</gadget>
<output>6</output>

<gadget id="calculator">6 / 24</gadget>
<output>1/4 = around 0.25</output>

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