What is the difference between the product of all prime numbers within 10 and the smallest three-digit number.
10以内所有质数的积，减去最小的三位数，差是多少．
<gadget id="calculator">2 * 3 * 5 * 7</gadget>
<output>210</output>

<gadget id="calculator">210 - 100</gadget>
<output>110</output>

<result>110</result>