What is the solution of equation 1.3*4+0.2x=6 x=
方程1.3*4+0.2x=6的解是x=多少
<gadget id="calculator">1.3 * 4</gadget>
<output>5.2</output>

<gadget id="calculator">6 - 5.2</gadget>
<output>0.8</output>

<gadget id="calculator">0.8 / 0.2</gadget>
<output>4</output>

<result>4</result>