A number is enlarged by 1000 times, and the decimal point is moved two places to the left, which is 47.3. What is the original number?
一个数扩大1000倍，再把小数点向左移动两位是47.3，原数是多少．
<gadget id="calculator">100 / 1_000</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">47.3 * (1/10)</gadget>
<output>4.73</output>

<result>4.73</result>