What is the sum of prime numbers less than 100?
100以内的质数和是多少．
<gadget id="calculator">2 + 3 + 5 + 7 + 11 + 13 + 17 + 19 + 23 + 29 + 31 + 37 + 41 + 43 + 47 + 53 + 59 + 61 + 67 + 71 + 73 + 79 + 83 + 89 + 97</gadget>
<output>1_060</output>

<result>1_060</result>