1*1=1, 2*2=4, 3*3=9, 4*4=16, ..., the product 1, 4, 9, 16, ... in the formula is called a complete square number, between 1 and 100, 100 What is the sum of non-perfect squares among natural numbers?
1*1=1，2*2=4，3*3=9，4*4=16，…，式中的积1，4，9，16，…叫做完全平方数，在1至100这100个自然数中，非完全平方数的和是多少．
<gadget id="calculator">1 + 100</gadget>
<output>101</output>

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

<gadget id="calculator">101 * 50</gadget>
<output>5_050</output>

<gadget id="calculator">1 + 4 + 9 + 16 + 25 + 36 + 49 + 64 + 81 + 100</gadget>
<output>385</output>

<gadget id="calculator">5_050 - 385</gadget>
<output>4_665</output>

<result>4_665</result>