After the decimal point of a decimal is moved to the right by 2 places, the original number is increased by 158.4. What is this number?
一个小数的小数点向右移动2位后，比原数增加了158.4，这个数是多少．
<gadget id="calculator">100 - 1</gadget>
<output>99</output>

<gadget id="calculator">158.4 / 99</gadget>
<output>1.6</output>

<result>1.6</result>