If the decimal point of a number is moved one place to the left, it is 46.8 less than the original number. What is the original number?
一个数的小数点向左移动一位后比原来的数减少了46.8，原来的数是多少．
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 - (1/10)</gadget>
<output>9/10 = around 0.9</output>

<gadget id="calculator">46.8 / (9/10)</gadget>
<output>52</output>

<result>52</result>