(6/(1.5))=(10/(x)).
(6/(1.5))=(10/(x))．
<gadget id="calculator">10 * 1.5</gadget>
<output>15</output>

<gadget id="calculator">15 / 6</gadget>
<output>5/2 = around 2.5</output>

<result>5/2 = around 2.5</result>