After a number is reduced by 10 times, the new number is 43.65 smaller than the original number, what is the original number?
一个数缩小10倍后，新数比原数小43.65，原数是多少．
<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">43.65 / 9</gadget>
<output>4.85</output>

<gadget id="calculator">4.85 * 10</gadget>
<output>48.5</output>

<result>48.5</result>