The quotient of number A divided by number B is 3, and the sum of number A and number B is 180. What is the number A?
甲数除以乙数的商是3，甲数与乙数的和是180，则甲数是多少．
<gadget id="calculator">3 + 1</gadget>
<output>4</output>

<gadget id="calculator">180 / 4</gadget>
<output>45</output>

<gadget id="calculator">45 * 3</gadget>
<output>135</output>

<result>135</result>