It is known that 23.4/6=3.9, then 3.9*6=how much.
已知23.4/6=3.9，那么3.9*6=多少．
<gadget id="calculator">23.4 / 6</gadget>
<output>3.9</output>

<gadget id="calculator">3.9 * 6</gadget>
<output>23.4</output>

<result>23.4</result>