Solve the equation: 12x+7*30%=14.7.
解方程：12x+7*30%=14.7．
<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">7 * (3/10)</gadget>
<output>21/10 = around 2.1</output>

<gadget id="calculator">14.7 - (21/10)</gadget>
<output>12.6</output>

<gadget id="calculator">12.6 / 12</gadget>
<output>1.05</output>

<result>1.05</result>