The cultural store buys 10 schoolbags and 100 erasers, each schoolbag is 49.8 yuan, and each eraser is 0.65 yuan. How much do you need in total?
文化店购进10个书包和100块橡皮，每个书包49.8元，每块橡皮0.65元．一共需要多少钱？
<gadget id="calculator">49.8 * 10</gadget>
<output>498</output>

<gadget id="calculator">0.65 * 100</gadget>
<output>65</output>

<gadget id="calculator">498 + 65</gadget>
<output>563</output>

<result>563</result>