Let a and b be two numbers, and stipulate that a*b=4*b-(a+b)+2, where "*, +, one, /" are the usual four arithmetic symbols, and the function of parentheses is also common Meaning, "*" is a new operation symbol, calculation: 3*(4*6)=how much.
设a、b是两个数，规定a*b=4*b-(a+b)+2，这里"*，+，一，/"是通常的四则运算符号，括号的作用是也通常的含义，"*"是新的运算符号，计算：3*(4*6)=多少．
<gadget id="calculator">4 * 16</gadget>
<output>64</output>

<gadget id="calculator">3 + 16</gadget>
<output>19</output>

<gadget id="calculator">64 - 19</gadget>
<output>45</output>

<gadget id="calculator">45 + 2</gadget>
<output>47</output>

<result>47</result>