If 3☆4=17, 2☆7=19, 4☆8=37, 9☆6=59, then 10☆0.8=how much.
若3☆4=17，2☆7=19，4☆8=37，9☆6=59，则10☆0.8=多少．
<gadget id="calculator">10 * 0.8</gadget>
<output>8</output>

<gadget id="calculator">8 + 5</gadget>
<output>13</output>

<result>13</result>