Huayuan Elementary School bought 45 sets of single-person desks and chairs, 128 desks per desk, and 52 yuan per chair. How much did you spend in total?
花园小学，新买来45套单人课桌椅，每张桌子128桌子，每张椅子52元，一共用了多少元？
<gadget id="calculator">128 + 52</gadget>
<output>180</output>

<gadget id="calculator">180 * 45</gadget>
<output>8_100</output>

<result>8_100</result>