x=how much is the solution of equation 15-3x=10.
x=多少是方程15-3x=10的解．
<gadget id="calculator">15 - 10</gadget>
<output>5</output>

<gadget id="calculator">5 / 3</gadget>
<output>5/3 = around 1.666667</output>

<result>5/3 = around 1.666667</result>