Xiaofang and Xiaohong's mother jointly contracted a batch of processing tasks for plush toys. If it is done by Xiaofang's mother alone, it will take 20 days to complete, and if it is done by Xiaohong's mother alone, it will take 30 days to complete. The two did it at the same time, and when the task was completed, Xiaofang's mother made 48 more toys than Xiaohong's mother. How many toys were there in this batch?
小芳和小红的妈妈两人合伙承包了一批毛绒玩具的加工任务．若由小芳妈妈单独做要20天才能完成，若由小红妈妈单独做要30天才能完成．两人同时做，完成任务时小芳妈妈比小红妈妈多做48个，这批玩具件多少个？
<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(3/5) - (2/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">48 / (1/5)</gadget>
<output>240</output>

<result>240</result>