Solve the equation: 1.6*8-7x=2.3.
解方程：1.6*8-7x=2.3．
<gadget id="calculator">12.8 - 2.3</gadget>
<output>10.5</output>

<gadget id="calculator">10.5 / 7</gadget>
<output>1.5</output>

<result>1.5</result>