What is the sum of the largest two-digit pure decimal and 1 multiplied by the smallest four-digit integer?
最大的两位纯小数与1的和乘最小的四位整数，得数是多少？
<gadget id="calculator">0.99 + 1</gadget>
<output>1.99</output>

<gadget id="calculator">1.99 * 1_000</gadget>
<output>1_990</output>

<result>1_990</result>