When a=14, b=-5, what is the value of the algebraic formula 4b2a+3b?
当a=14，b=-5时，代数式4b2a+3b的值等于多少．
<gadget id="calculator">(-5) ** 2</gadget>
<output>25</output>

<gadget id="calculator">4 * 25 * 14</gadget>
<output>1_400</output>

<gadget id="calculator">3 * (-5)</gadget>
<output>-15</output>

<gadget id="calculator">1_400 + (-15)</gadget>
<output>1_385</output>

<result>1_385</result>