Solve the equation: (1+(3/10))x=45.5.
解方程：(1+(3/10))x=45.5．
<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">1 + (3/10)</gadget>
<output>13/10 = around 1.3</output>

<gadget id="calculator">45.5 / (13/10)</gadget>
<output>35</output>

<result>35</result>