If 2m=3, 2n=4, what is 23m-2n equal to
若2m=3，2n=4，则23m-2n等于多少
<gadget id="calculator">3 ** 3</gadget>
<output>27</output>

<gadget id="calculator">4 ** 2</gadget>
<output>16</output>

<gadget id="calculator">27 / 16</gadget>
<output>27/16 = around 1.6875</output>

<result>27/16 = around 1.6875</result>