Define the operation θ as aθb=5*a*b-(a+b). Then what is 5θ6?
定义运算θ为aθb=5*a*b-(a+b)．则5θ6是多少．
<gadget id="calculator">5 * 5 * 6</gadget>
<output>150</output>

<gadget id="calculator">5 + 6</gadget>
<output>11</output>

<gadget id="calculator">150 - 11</gadget>
<output>139</output>

<result>139</result>