A batch of goods was transported by car, 30% of the total amount was transported on the first day, 69 tons were transported on the second day, and three-fifths of the goods were transported in two days. How many tons is this shipment?
汽车运一批货物，第一天运了总量的30%，第二天运了69吨，两天正好运了这批货物的五分之三．这批货物共多少吨？
<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

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

<gadget id="calculator">(3/5) - (3/10)</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">69 / (3/10)</gadget>
<output>230</output>

<result>230</result>