50% of a number is 1 more than the largest two-digit number. Find this number.
一个数的50%比最大的两位数多1，求这个数．
<gadget id="calculator">99 + 1</gadget>
<output>100</output>

<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">100 / (1/2)</gadget>
<output>200</output>

<result>200</result>