◎ indicates a new operation symbol, known 2◎3=2+3+4, 7◎2=7+8, 3◎5=3+4+5+6+7, according to this rule, 10◎4 = how much.
◎表示一种新的运算符号，已知2◎3=2+3+4，7◎2=7+8，3◎5=3+4+5+6+7，按此规则，10◎4=多少．
<gadget id="calculator">10 + 11 + 12 + 13</gadget>
<output>46</output>

<result>46</result>