What is the solution of the equation 12*0.75+3x/12=16.
方程12*0.75+3x/12=16的解是多少．
<gadget id="calculator">12 * 0.75</gadget>
<output>9</output>

<gadget id="calculator">16 - 9</gadget>
<output>7</output>

<gadget id="calculator">3 / 12</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">7 / (1/4)</gadget>
<output>28</output>

<result>28</result>