Solve the equation: (5/8)x=(3/10).
解方程：(5/8)x=(3/10)．
<gadget id="calculator">3 / 10</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">(3/10) / (5/8)</gadget>
<output>12/25 = around 0.48</output>

<result>12/25 = around 0.48</result>