Solve the equation: (2/3)x=(7/5).
解方程：(2/3)x=(7/5)．
<gadget id="calculator">7 / 5</gadget>
<output>7/5 = around 1.4</output>

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">(7/5) * (3/2)</gadget>
<output>21/10 = around 2.1</output>

<result>21/10 = around 2.1</result>