Move the decimal point of 5.09 one place to the left and expand it 100 times.
把5.09的小数点向左移动一位，再扩大100倍后是多少．
<gadget id="calculator">5.09 / 10</gadget>
<output>0.509</output>

<gadget id="calculator">0.509 * 100</gadget>
<output>50.9</output>

<result>50.9</result>