The Young Pioneers of Guangming Primary School donated 750 yuan for the "Hope Project" in three days. Donations on the first day were 80 yuan more than (1/3) of the total. The donation on the second day is 30% of the total. How much did you donate in the past two days?
光明小学少先队员为"希望工程"捐款，三天共捐款750元．第一天捐款比总数的(1/3)多80元．第二天捐款是总数的30%．前两天共捐款多少元？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">750 * (1/3)</gadget>
<output>250</output>

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">750 * (3/10)</gadget>
<output>225</output>

<gadget id="calculator">250 + 80 + 225</gadget>
<output>555</output>

<result>555</result>