0.24/0.7=0.34... how much.
0.24/0.7=0.34…多少．
<gadget id="calculator">0.34 * 0.7</gadget>
<output>0.238</output>

<gadget id="calculator">0.24 - 0.238</gadget>
<output>0.002</output>

<result>0.002</result>