Calculation: (100/97)+((100*99)/(97*96))+((100*99*98)/(97*96*95))+…+((100*99*98* ...*5*4)/(97*96*95*...*2*1)).
计算：(100/97)+((100*99)/(97*96))+((100*99*98)/(97*96*95))+…+((100*99*98*…*5*4)/(97*96*95*…*2*1))．
<gadget id="calculator">40_425 + 4_900 + 4_950</gadget>
<output>50_275</output>

<result>50_275</result>